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Finding the Fourth Proportional to 157,371.90, 236,127.59 and 82,474.22

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Solution

The fourth proportional to 157,371.90, 236,127.59 and 82,474.22 is: 123,747.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,371.90 : 236,127.59 = 82,474.22 : x
  2. Step 2: Convert to fraction form
    157,371.90/236,127.59 = 82,474.22/x
  3. Step 3: Cross multiply
    157,371.90x = 236,127.59 × 82,474.22
  4. Step 4: Simplify right side
    157,371.90x = 19,474,438,805.73
  5. Step 5: Solve for x
    x = 19,474,438,805.73/157,371.90
  6. Step 6: Final answer
    x = 123,747.88

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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.