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Finding the Fourth Proportional to 157,344.60, 236,016.90 and 73,104.60

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Solution

The fourth proportional to 157,344.60, 236,016.90 and 73,104.60 is: 109,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,344.60 : 236,016.90 = 73,104.60 : x
  2. Step 2: Convert to fraction form
    157,344.60/236,016.90 = 73,104.60/x
  3. Step 3: Cross multiply
    157,344.60x = 236,016.90 × 73,104.60
  4. Step 4: Simplify right side
    157,344.60x = 17,253,921,067.74
  5. Step 5: Solve for x
    x = 17,253,921,067.74/157,344.60
  6. Step 6: Final answer
    x = 109,656.90

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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.