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Finding the Fourth Proportional to 72,398.70, 99,910.22 and 44,104.38

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Solution

The fourth proportional to 72,398.70, 99,910.22 and 44,104.38 is: 60,864.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,398.70 : 99,910.22 = 44,104.38 : x
  2. Step 2: Convert to fraction form
    72,398.70/99,910.22 = 44,104.38/x
  3. Step 3: Cross multiply
    72,398.70x = 99,910.22 × 44,104.38
  4. Step 4: Simplify right side
    72,398.70x = 4,406,478,308.76
  5. Step 5: Solve for x
    x = 4,406,478,308.76/72,398.70
  6. Step 6: Final answer
    x = 60,864.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.