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Finding the Fourth Proportional to 161,141.96, 241,691.06 and 47,286.74

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Solution

The fourth proportional to 161,141.96, 241,691.06 and 47,286.74 is: 70,923.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,141.96 : 241,691.06 = 47,286.74 : x
  2. Step 2: Convert to fraction form
    161,141.96/241,691.06 = 47,286.74/x
  3. Step 3: Cross multiply
    161,141.96x = 241,691.06 × 47,286.74
  4. Step 4: Simplify right side
    161,141.96x = 11,428,781,224.31
  5. Step 5: Solve for x
    x = 11,428,781,224.31/161,141.96
  6. Step 6: Final answer
    x = 70,923.68

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1.5x scale

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.