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Finding the Fourth Proportional to 132,246, 182,516.12 and 81,952.56

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Solution

The fourth proportional to 132,246, 182,516.12 and 81,952.56 is: 113,104.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,246 : 182,516.12 = 81,952.56 : x
  2. Step 2: Convert to fraction form
    132,246/182,516.12 = 81,952.56/x
  3. Step 3: Cross multiply
    132,246x = 182,516.12 × 81,952.56
  4. Step 4: Simplify right side
    132,246x = 14,957,663,275.27
  5. Step 5: Solve for x
    x = 14,957,663,275.27/132,246
  6. Step 6: Final answer
    x = 113,104.84

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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.