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Finding the Fourth Proportional to 132,354.60, 182,651.13 and 71,926.17

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Solution

The fourth proportional to 132,354.60, 182,651.13 and 71,926.17 is: 99,259.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,354.60 : 182,651.13 = 71,926.17 : x
  2. Step 2: Convert to fraction form
    132,354.60/182,651.13 = 71,926.17/x
  3. Step 3: Cross multiply
    132,354.60x = 182,651.13 × 71,926.17
  4. Step 4: Simplify right side
    132,354.60x = 13,137,396,227.07
  5. Step 5: Solve for x
    x = 13,137,396,227.07/132,354.60
  6. Step 6: Final answer
    x = 99,259.08

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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.