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Finding the Fourth Proportional to 157,500.52, 217,296.42 and 109,736.44

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Solution

The fourth proportional to 157,500.52, 217,296.42 and 109,736.44 is: 151,398.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,500.52 : 217,296.42 = 109,736.44 : x
  2. Step 2: Convert to fraction form
    157,500.52/217,296.42 = 109,736.44/x
  3. Step 3: Cross multiply
    157,500.52x = 217,296.42 × 109,736.44
  4. Step 4: Simplify right side
    157,500.52x = 23,845,335,555.54
  5. Step 5: Solve for x
    x = 23,845,335,555.54/157,500.52
  6. Step 6: Final answer
    x = 151,398.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.