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Finding the Fourth Proportional to 62,870,509.80, 94,305,764.70 and 59,894,440.20

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Solution

The fourth proportional to 62,870,509.80, 94,305,764.70 and 59,894,440.20 is: 89,841,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,870,509.80 : 94,305,764.70 = 59,894,440.20 : x
  2. Step 2: Convert to fraction form
    62,870,509.80/94,305,764.70 = 59,894,440.20/x
  3. Step 3: Cross multiply
    62,870,509.80x = 94,305,764.70 × 59,894,440.20
  4. Step 4: Simplify right side
    62,870,509.80x = 5,648,390,984,339,421
  5. Step 5: Solve for x
    x = 5,648,390,984,339,421/62,870,509.80
  6. Step 6: Final answer
    x = 89,841,660.30

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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.