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Finding the Fourth Proportional to 157,735.62, 217,672.25 and 89,751.11

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Solution

The fourth proportional to 157,735.62, 217,672.25 and 89,751.11 is: 123,854.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,735.62 : 217,672.25 = 89,751.11 : x
  2. Step 2: Convert to fraction form
    157,735.62/217,672.25 = 89,751.11/x
  3. Step 3: Cross multiply
    157,735.62x = 217,672.25 × 89,751.11
  4. Step 4: Simplify right side
    157,735.62x = 19,536,324,516.58
  5. Step 5: Solve for x
    x = 19,536,324,516.58/157,735.62
  6. Step 6: Final answer
    x = 123,854.87

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1.5x scale

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.