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Finding the Fourth Proportional to 157,610.31, 217,472.45 and 93,954.03

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Solution

The fourth proportional to 157,610.31, 217,472.45 and 93,954.03 is: 129,638.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,610.31 : 217,472.45 = 93,954.03 : x
  2. Step 2: Convert to fraction form
    157,610.31/217,472.45 = 93,954.03/x
  3. Step 3: Cross multiply
    157,610.31x = 217,472.45 × 93,954.03
  4. Step 4: Simplify right side
    157,610.31x = 20,432,412,621.70
  5. Step 5: Solve for x
    x = 20,432,412,621.70/157,610.31
  6. Step 6: Final answer
    x = 129,638.81

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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.