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Finding the Fourth Proportional to 96,321,854.80, 144,718,711.80 and 72,433,982.80

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Solution

The fourth proportional to 96,321,854.80, 144,718,711.80 and 72,433,982.80 is: 108,828,393.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,321,854.80 : 144,718,711.80 = 72,433,982.80 : x
  2. Step 2: Convert to fraction form
    96,321,854.80/144,718,711.80 = 72,433,982.80/x
  3. Step 3: Cross multiply
    96,321,854.80x = 144,718,711.80 × 72,433,982.80
  4. Step 4: Simplify right side
    96,321,854.80x = 10,482,552,681,359,358
  5. Step 5: Solve for x
    x = 10,482,552,681,359,358/96,321,854.80
  6. Step 6: Final answer
    x = 108,828,393.13

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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.