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Finding the Fourth Proportional to 132,680.60, 182,905.80 and 100,794.14

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Solution

The fourth proportional to 132,680.60, 182,905.80 and 100,794.14 is: 138,948.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,680.60 : 182,905.80 = 100,794.14 : x
  2. Step 2: Convert to fraction form
    132,680.60/182,905.80 = 100,794.14/x
  3. Step 3: Cross multiply
    132,680.60x = 182,905.80 × 100,794.14
  4. Step 4: Simplify right side
    132,680.60x = 18,435,832,812.01
  5. Step 5: Solve for x
    x = 18,435,832,812.01/132,680.60
  6. Step 6: Final answer
    x = 138,948.97

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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.