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Finding the Fourth Proportional to 238,753.44, 329,472.80 and 131,323.44

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Solution

The fourth proportional to 238,753.44, 329,472.80 and 131,323.44 is: 181,222.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,753.44 : 329,472.80 = 131,323.44 : x
  2. Step 2: Convert to fraction form
    238,753.44/329,472.80 = 131,323.44/x
  3. Step 3: Cross multiply
    238,753.44x = 329,472.80 × 131,323.44
  4. Step 4: Simplify right side
    238,753.44x = 43,267,500,825.81
  5. Step 5: Solve for x
    x = 43,267,500,825.81/238,753.44
  6. Step 6: Final answer
    x = 181,222.52

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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.