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Finding the Fourth Proportional to 73,766,752.80, 101,797,643.07 and 40,729,060.86

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Solution

The fourth proportional to 73,766,752.80, 101,797,643.07 and 40,729,060.86 is: 56,205,841.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,766,752.80 : 101,797,643.07 = 40,729,060.86 : x
  2. Step 2: Convert to fraction form
    73,766,752.80/101,797,643.07 = 40,729,060.86/x
  3. Step 3: Cross multiply
    73,766,752.80x = 101,797,643.07 × 40,729,060.86
  4. Step 4: Simplify right side
    73,766,752.80x = 4,146,122,400,002,587
  5. Step 5: Solve for x
    x = 4,146,122,400,002,587/73,766,752.80
  6. Step 6: Final answer
    x = 56,205,841.29

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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.