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Finding the Fourth Proportional to 132,751.60, 199,127.32 and 39,250

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Solution

The fourth proportional to 132,751.60, 199,127.32 and 39,250 is: 58,874.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,751.60 : 199,127.32 = 39,250 : x
  2. Step 2: Convert to fraction form
    132,751.60/199,127.32 = 39,250/x
  3. Step 3: Cross multiply
    132,751.60x = 199,127.32 × 39,250
  4. Step 4: Simplify right side
    132,751.60x = 7,815,747,310
  5. Step 5: Solve for x
    x = 7,815,747,310/132,751.60
  6. Step 6: Final answer
    x = 58,874.98

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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.