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Finding the Fourth Proportional to 65,862,694.80, 98,794,042.20 and 29,960,902.80

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Solution

The fourth proportional to 65,862,694.80, 98,794,042.20 and 29,960,902.80 is: 44,941,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,862,694.80 : 98,794,042.20 = 29,960,902.80 : x
  2. Step 2: Convert to fraction form
    65,862,694.80/98,794,042.20 = 29,960,902.80/x
  3. Step 3: Cross multiply
    65,862,694.80x = 98,794,042.20 × 29,960,902.80
  4. Step 4: Simplify right side
    65,862,694.80x = 2,959,958,695,573,298.50
  5. Step 5: Solve for x
    x = 2,959,958,695,573,298.50/65,862,694.80
  6. Step 6: Final answer
    x = 44,941,354.20

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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.