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Finding the Fourth Proportional to 157,735.92, 217,667.04 and 89,750.88

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Solution

The fourth proportional to 157,735.92, 217,667.04 and 89,750.88 is: 123,851.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,735.92 : 217,667.04 = 89,750.88 : x
  2. Step 2: Convert to fraction form
    157,735.92/217,667.04 = 89,750.88/x
  3. Step 3: Cross multiply
    157,735.92x = 217,667.04 × 89,750.88
  4. Step 4: Simplify right side
    157,735.92x = 19,535,808,387.00
  5. Step 5: Solve for x
    x = 19,535,808,387.00/157,735.92
  6. Step 6: Final answer
    x = 123,851.36

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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.