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Finding the Fourth Proportional to 132,636.66, 182,689.80 and 101,951.01

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Solution

The fourth proportional to 132,636.66, 182,689.80 and 101,951.01 is: 140,424.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,636.66 : 182,689.80 = 101,951.01 : x
  2. Step 2: Convert to fraction form
    132,636.66/182,689.80 = 101,951.01/x
  3. Step 3: Cross multiply
    132,636.66x = 182,689.80 × 101,951.01
  4. Step 4: Simplify right side
    132,636.66x = 18,625,408,713.25
  5. Step 5: Solve for x
    x = 18,625,408,713.25/132,636.66
  6. Step 6: Final answer
    x = 140,424.29

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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.