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Finding the Fourth Proportional to 238,753.31, 329,472.62 and 131,323.32

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Solution

The fourth proportional to 238,753.31, 329,472.62 and 131,323.32 is: 181,222.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,753.31 : 329,472.62 = 131,323.32 : x
  2. Step 2: Convert to fraction form
    238,753.31/329,472.62 = 131,323.32/x
  3. Step 3: Cross multiply
    238,753.31x = 329,472.62 × 131,323.32
  4. Step 4: Simplify right side
    238,753.31x = 43,267,438,307.50
  5. Step 5: Solve for x
    x = 43,267,438,307.50/238,753.31
  6. Step 6: Final answer
    x = 181,222.36

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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.