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Finding the Fourth Proportional to 159,985,877.25, 239,978,815.94 and 44,970,419.58

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Solution

The fourth proportional to 159,985,877.25, 239,978,815.94 and 44,970,419.58 is: 67,455,629.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,985,877.25 : 239,978,815.94 = 44,970,419.58 : x
  2. Step 2: Convert to fraction form
    159,985,877.25/239,978,815.94 = 44,970,419.58/x
  3. Step 3: Cross multiply
    159,985,877.25x = 239,978,815.94 × 44,970,419.58
  4. Step 4: Simplify right side
    159,985,877.25x = 10,791,948,042,908,540
  5. Step 5: Solve for x
    x = 10,791,948,042,908,540/159,985,877.25
  6. Step 6: Final answer
    x = 67,455,629.39

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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.