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Finding the Fourth Proportional to 132,306.90, 182,579.31 and 75,717.06

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Solution

The fourth proportional to 132,306.90, 182,579.31 and 75,717.06 is: 104,487.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,306.90 : 182,579.31 = 75,717.06 : x
  2. Step 2: Convert to fraction form
    132,306.90/182,579.31 = 75,717.06/x
  3. Step 3: Cross multiply
    132,306.90x = 182,579.31 × 75,717.06
  4. Step 4: Simplify right side
    132,306.90x = 13,824,368,570.03
  5. Step 5: Solve for x
    x = 13,824,368,570.03/132,306.90
  6. Step 6: Final answer
    x = 104,487.13

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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.