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Finding the Fourth Proportional to 65,862,687.80, 98,794,031.70 and 29,960,895.80

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Solution

The fourth proportional to 65,862,687.80, 98,794,031.70 and 29,960,895.80 is: 44,941,343.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,862,687.80 : 98,794,031.70 = 29,960,895.80 : x
  2. Step 2: Convert to fraction form
    65,862,687.80/98,794,031.70 = 29,960,895.80/x
  3. Step 3: Cross multiply
    65,862,687.80x = 98,794,031.70 × 29,960,895.80
  4. Step 4: Simplify right side
    65,862,687.80x = 2,959,957,689,425,597
  5. Step 5: Solve for x
    x = 2,959,957,689,425,597/65,862,687.80
  6. Step 6: Final answer
    x = 44,941,343.70

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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.