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Finding the Fourth Proportional to 157,654.60, 236,481.90 and 73,414.60

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Solution

The fourth proportional to 157,654.60, 236,481.90 and 73,414.60 is: 110,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,654.60 : 236,481.90 = 73,414.60 : x
  2. Step 2: Convert to fraction form
    157,654.60/236,481.90 = 73,414.60/x
  3. Step 3: Cross multiply
    157,654.60x = 236,481.90 × 73,414.60
  4. Step 4: Simplify right side
    157,654.60x = 17,361,224,095.74
  5. Step 5: Solve for x
    x = 17,361,224,095.74/157,654.60
  6. Step 6: Final answer
    x = 110,121.90

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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.