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Finding the Fourth Proportional to 160,700.56, 241,097.92 and 71,934.28

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Solution

The fourth proportional to 160,700.56, 241,097.92 and 71,934.28 is: 107,922.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,700.56 : 241,097.92 = 71,934.28 : x
  2. Step 2: Convert to fraction form
    160,700.56/241,097.92 = 71,934.28/x
  3. Step 3: Cross multiply
    160,700.56x = 241,097.92 × 71,934.28
  4. Step 4: Simplify right side
    160,700.56x = 17,343,204,502.12
  5. Step 5: Solve for x
    x = 17,343,204,502.12/160,700.56
  6. Step 6: Final answer
    x = 107,922.49

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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.