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Finding the Fourth Proportional to 238,752.31, 329,471.24 and 131,322.32

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Solution

The fourth proportional to 238,752.31, 329,471.24 and 131,322.32 is: 181,220.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,752.31 : 329,471.24 = 131,322.32 : x
  2. Step 2: Convert to fraction form
    238,752.31/329,471.24 = 131,322.32/x
  3. Step 3: Cross multiply
    238,752.31x = 329,471.24 × 131,322.32
  4. Step 4: Simplify right side
    238,752.31x = 43,266,926,291.03
  5. Step 5: Solve for x
    x = 43,266,926,291.03/238,752.31
  6. Step 6: Final answer
    x = 181,220.97

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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.