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Finding the Fourth Proportional to 132,099.60, 198,107.82 and 43,332.48

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Solution

The fourth proportional to 132,099.60, 198,107.82 and 43,332.48 is: 64,985.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,099.60 : 198,107.82 = 43,332.48 : x
  2. Step 2: Convert to fraction form
    132,099.60/198,107.82 = 43,332.48/x
  3. Step 3: Cross multiply
    132,099.60x = 198,107.82 × 43,332.48
  4. Step 4: Simplify right side
    132,099.60x = 8,584,503,147.99
  5. Step 5: Solve for x
    x = 8,584,503,147.99/132,099.60
  6. Step 6: Final answer
    x = 64,985.08

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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.