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Finding the Fourth Proportional to 132,941.52, 199,451.16 and 39,449.70

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Solution

The fourth proportional to 132,941.52, 199,451.16 and 39,449.70 is: 59,186.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,941.52 : 199,451.16 = 39,449.70 : x
  2. Step 2: Convert to fraction form
    132,941.52/199,451.16 = 39,449.70/x
  3. Step 3: Cross multiply
    132,941.52x = 199,451.16 × 39,449.70
  4. Step 4: Simplify right side
    132,941.52x = 7,868,288,426.65
  5. Step 5: Solve for x
    x = 7,868,288,426.65/132,941.52
  6. Step 6: Final answer
    x = 59,186.09

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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.