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Finding the Fourth Proportional to 69,863,614.80, 104,795,422.20 and 58,778,149.20

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Solution

The fourth proportional to 69,863,614.80, 104,795,422.20 and 58,778,149.20 is: 88,167,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,863,614.80 : 104,795,422.20 = 58,778,149.20 : x
  2. Step 2: Convert to fraction form
    69,863,614.80/104,795,422.20 = 58,778,149.20/x
  3. Step 3: Cross multiply
    69,863,614.80x = 104,795,422.20 × 58,778,149.20
  4. Step 4: Simplify right side
    69,863,614.80x = 6,159,680,961,548,593
  5. Step 5: Solve for x
    x = 6,159,680,961,548,593/69,863,614.80
  6. Step 6: Final answer
    x = 88,167,223.80

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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.