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Finding the Fourth Proportional to 161,332.56, 241,819.56 and 121,761.36

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Solution

The fourth proportional to 161,332.56, 241,819.56 and 121,761.36 is: 182,506.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,332.56 : 241,819.56 = 121,761.36 : x
  2. Step 2: Convert to fraction form
    161,332.56/241,819.56 = 121,761.36/x
  3. Step 3: Cross multiply
    161,332.56x = 241,819.56 × 121,761.36
  4. Step 4: Simplify right side
    161,332.56x = 29,444,278,500.20
  5. Step 5: Solve for x
    x = 29,444,278,500.20/161,332.56
  6. Step 6: Final answer
    x = 182,506.73

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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.