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Finding the Fourth Proportional to 132,697.52, 182,992.18 and 112,609.52

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Solution

The fourth proportional to 132,697.52, 182,992.18 and 112,609.52 is: 155,290.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,697.52 : 182,992.18 = 112,609.52 : x
  2. Step 2: Convert to fraction form
    132,697.52/182,992.18 = 112,609.52/x
  3. Step 3: Cross multiply
    132,697.52x = 182,992.18 × 112,609.52
  4. Step 4: Simplify right side
    132,697.52x = 20,606,661,553.55
  5. Step 5: Solve for x
    x = 20,606,661,553.55/132,697.52
  6. Step 6: Final answer
    x = 155,290.48

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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.