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Finding the Fourth Proportional to 238,735, 329,457.06 and 131,306.80

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Solution

The fourth proportional to 238,735, 329,457.06 and 131,306.80 is: 181,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,735 : 329,457.06 = 131,306.80 : x
  2. Step 2: Convert to fraction form
    238,735/329,457.06 = 131,306.80/x
  3. Step 3: Cross multiply
    238,735x = 329,457.06 × 131,306.80
  4. Step 4: Simplify right side
    238,735x = 43,259,952,286.01
  5. Step 5: Solve for x
    x = 43,259,952,286.01/238,735
  6. Step 6: Final answer
    x = 181,204.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.