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Finding the Fourth Proportional to 157,375.60, 236,646.60 and 131,714.80

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Solution

The fourth proportional to 157,375.60, 236,646.60 and 131,714.80 is: 198,060.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,375.60 : 236,646.60 = 131,714.80 : x
  2. Step 2: Convert to fraction form
    157,375.60/236,646.60 = 131,714.80/x
  3. Step 3: Cross multiply
    157,375.60x = 236,646.60 × 131,714.80
  4. Step 4: Simplify right side
    157,375.60x = 31,169,859,589.68
  5. Step 5: Solve for x
    x = 31,169,859,589.68/157,375.60
  6. Step 6: Final answer
    x = 198,060.31

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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.