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Finding the Fourth Proportional to 72,577,643.70, 108,866,465.55 and 29,467,499.70

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Solution

The fourth proportional to 72,577,643.70, 108,866,465.55 and 29,467,499.70 is: 44,201,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,577,643.70 : 108,866,465.55 = 29,467,499.70 : x
  2. Step 2: Convert to fraction form
    72,577,643.70/108,866,465.55 = 29,467,499.70/x
  3. Step 3: Cross multiply
    72,577,643.70x = 108,866,465.55 × 29,467,499.70
  4. Step 4: Simplify right side
    72,577,643.70x = 3,208,022,540,934,685
  5. Step 5: Solve for x
    x = 3,208,022,540,934,685/72,577,643.70
  6. Step 6: Final answer
    x = 44,201,249.55

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.