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Finding the Fourth Proportional to 238,753.56, 329,472.97 and 131,323.57

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Solution

The fourth proportional to 238,753.56, 329,472.97 and 131,323.57 is: 181,222.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,753.56 : 329,472.97 = 131,323.57 : x
  2. Step 2: Convert to fraction form
    238,753.56/329,472.97 = 131,323.57/x
  3. Step 3: Cross multiply
    238,753.56x = 329,472.97 × 131,323.57
  4. Step 4: Simplify right side
    238,753.56x = 43,267,566,638.90
  5. Step 5: Solve for x
    x = 43,267,566,638.90/238,753.56
  6. Step 6: Final answer
    x = 181,222.71

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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.