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Finding the Fourth Proportional to 132,023.52, 198,034.47 and 43,276.38

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Solution

The fourth proportional to 132,023.52, 198,034.47 and 43,276.38 is: 64,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,023.52 : 198,034.47 = 43,276.38 : x
  2. Step 2: Convert to fraction form
    132,023.52/198,034.47 = 43,276.38/x
  3. Step 3: Cross multiply
    132,023.52x = 198,034.47 × 43,276.38
  4. Step 4: Simplify right side
    132,023.52x = 8,570,214,234.19
  5. Step 5: Solve for x
    x = 8,570,214,234.19/132,023.52
  6. Step 6: Final answer
    x = 64,914.30

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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.