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Finding the Fourth Proportional to 132,299.92, 182,575.88 and 71,871.76

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Solution

The fourth proportional to 132,299.92, 182,575.88 and 71,871.76 is: 99,184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,299.92 : 182,575.88 = 71,871.76 : x
  2. Step 2: Convert to fraction form
    132,299.92/182,575.88 = 71,871.76/x
  3. Step 3: Cross multiply
    132,299.92x = 182,575.88 × 71,871.76
  4. Step 4: Simplify right side
    132,299.92x = 13,122,049,829.15
  5. Step 5: Solve for x
    x = 13,122,049,829.15/132,299.92
  6. Step 6: Final answer
    x = 99,184.11

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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.