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Finding the Fourth Proportional to 132,671.52, 182,956.32 and 112,583.52

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Solution

The fourth proportional to 132,671.52, 182,956.32 and 112,583.52 is: 155,254.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,671.52 : 182,956.32 = 112,583.52 : x
  2. Step 2: Convert to fraction form
    132,671.52/182,956.32 = 112,583.52/x
  3. Step 3: Cross multiply
    132,671.52x = 182,956.32 × 112,583.52
  4. Step 4: Simplify right side
    132,671.52x = 20,597,866,511.85
  5. Step 5: Solve for x
    x = 20,597,866,511.85/132,671.52
  6. Step 6: Final answer
    x = 155,254.62

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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.