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Finding the Fourth Proportional to 132,002.80, 198,052.80 and 43,259.20

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Solution

The fourth proportional to 132,002.80, 198,052.80 and 43,259.20 is: 64,904.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,002.80 : 198,052.80 = 43,259.20 : x
  2. Step 2: Convert to fraction form
    132,002.80/198,052.80 = 43,259.20/x
  3. Step 3: Cross multiply
    132,002.80x = 198,052.80 × 43,259.20
  4. Step 4: Simplify right side
    132,002.80x = 8,567,605,685.76
  5. Step 5: Solve for x
    x = 8,567,605,685.76/132,002.80
  6. Step 6: Final answer
    x = 64,904.73

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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.