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Finding the Fourth Proportional to 132,375.60, 198,077.40 and 97,383.60

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Solution

The fourth proportional to 132,375.60, 198,077.40 and 97,383.60 is: 145,717.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,375.60 : 198,077.40 = 97,383.60 : x
  2. Step 2: Convert to fraction form
    132,375.60/198,077.40 = 97,383.60/x
  3. Step 3: Cross multiply
    132,375.60x = 198,077.40 × 97,383.60
  4. Step 4: Simplify right side
    132,375.60x = 19,289,490,290.64
  5. Step 5: Solve for x
    x = 19,289,490,290.64/132,375.60
  6. Step 6: Final answer
    x = 145,717.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.