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Finding the Fourth Proportional to 98,509,400.70, 147,764,101.05 and 62,229,695.10

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Solution

The fourth proportional to 98,509,400.70, 147,764,101.05 and 62,229,695.10 is: 93,344,542.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,509,400.70 : 147,764,101.05 = 62,229,695.10 : x
  2. Step 2: Convert to fraction form
    98,509,400.70/147,764,101.05 = 62,229,695.10/x
  3. Step 3: Cross multiply
    98,509,400.70x = 147,764,101.05 × 62,229,695.10
  4. Step 4: Simplify right side
    98,509,400.70x = 9,195,314,955,067,090
  5. Step 5: Solve for x
    x = 9,195,314,955,067,090/98,509,400.70
  6. Step 6: Final answer
    x = 93,344,542.65

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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.