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Finding the Fourth Proportional to 67,116,862.80, 100,423,351.80 and 44,442,046.80

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Solution

The fourth proportional to 67,116,862.80, 100,423,351.80 and 44,442,046.80 is: 66,496,244.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,116,862.80 : 100,423,351.80 = 44,442,046.80 : x
  2. Step 2: Convert to fraction form
    67,116,862.80/100,423,351.80 = 44,442,046.80/x
  3. Step 3: Cross multiply
    67,116,862.80x = 100,423,351.80 × 44,442,046.80
  4. Step 4: Simplify right side
    67,116,862.80x = 4,463,019,300,508,464
  5. Step 5: Solve for x
    x = 4,463,019,300,508,464/67,116,862.80
  6. Step 6: Final answer
    x = 66,496,244.23

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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.