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Finding the Fourth Proportional to 132,714.45, 199,049.20 and 36,628.61

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Solution

The fourth proportional to 132,714.45, 199,049.20 and 36,628.61 is: 54,936.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,714.45 : 199,049.20 = 36,628.61 : x
  2. Step 2: Convert to fraction form
    132,714.45/199,049.20 = 36,628.61/x
  3. Step 3: Cross multiply
    132,714.45x = 199,049.20 × 36,628.61
  4. Step 4: Simplify right side
    132,714.45x = 7,290,894,430.79
  5. Step 5: Solve for x
    x = 7,290,894,430.79/132,714.45
  6. Step 6: Final answer
    x = 54,936.70

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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.