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Finding the Fourth Proportional to 132,315.76, 198,473.79 and 36,253.79

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Solution

The fourth proportional to 132,315.76, 198,473.79 and 36,253.79 is: 54,380.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,315.76 : 198,473.79 = 36,253.79 : x
  2. Step 2: Convert to fraction form
    132,315.76/198,473.79 = 36,253.79/x
  3. Step 3: Cross multiply
    132,315.76x = 198,473.79 × 36,253.79
  4. Step 4: Simplify right side
    132,315.76x = 7,195,426,201.43
  5. Step 5: Solve for x
    x = 7,195,426,201.43/132,315.76
  6. Step 6: Final answer
    x = 54,380.72

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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.