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Finding the Fourth Proportional to 157,538.76, 217,398.24 and 93,843.60

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Solution

The fourth proportional to 157,538.76, 217,398.24 and 93,843.60 is: 129,501.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,538.76 : 217,398.24 = 93,843.60 : x
  2. Step 2: Convert to fraction form
    157,538.76/217,398.24 = 93,843.60/x
  3. Step 3: Cross multiply
    157,538.76x = 217,398.24 × 93,843.60
  4. Step 4: Simplify right side
    157,538.76x = 20,401,433,475.26
  5. Step 5: Solve for x
    x = 20,401,433,475.26/157,538.76
  6. Step 6: Final answer
    x = 129,501.04

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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.