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Finding the Fourth Proportional to 72,635,244.50, 108,952,983.62 and 22,100,329.13

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Solution

The fourth proportional to 72,635,244.50, 108,952,983.62 and 22,100,329.13 is: 33,150,529.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,635,244.50 : 108,952,983.62 = 22,100,329.13 : x
  2. Step 2: Convert to fraction form
    72,635,244.50/108,952,983.62 = 22,100,329.13/x
  3. Step 3: Cross multiply
    72,635,244.50x = 108,952,983.62 × 22,100,329.13
  4. Step 4: Simplify right side
    72,635,244.50x = 2,407,896,797,697,499
  5. Step 5: Solve for x
    x = 2,407,896,797,697,499/72,635,244.50
  6. Step 6: Final answer
    x = 33,150,529.25

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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.