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Finding the Fourth Proportional to 40,367,092.60, 60,509,304.60 and 19,865,279.80

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Solution

The fourth proportional to 40,367,092.60, 60,509,304.60 and 19,865,279.80 is: 29,777,578.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,367,092.60 : 60,509,304.60 = 19,865,279.80 : x
  2. Step 2: Convert to fraction form
    40,367,092.60/60,509,304.60 = 19,865,279.80/x
  3. Step 3: Cross multiply
    40,367,092.60x = 60,509,304.60 × 19,865,279.80
  4. Step 4: Simplify right side
    40,367,092.60x = 1,202,034,266,382,427.25
  5. Step 5: Solve for x
    x = 1,202,034,266,382,427.25/40,367,092.60
  6. Step 6: Final answer
    x = 29,777,578.44

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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.