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Finding the Fourth Proportional to 199,614.60, 275,456.88 and 113,562

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Solution

The fourth proportional to 199,614.60, 275,456.88 and 113,562 is: 156,709.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,614.60 : 275,456.88 = 113,562 : x
  2. Step 2: Convert to fraction form
    199,614.60/275,456.88 = 113,562/x
  3. Step 3: Cross multiply
    199,614.60x = 275,456.88 × 113,562
  4. Step 4: Simplify right side
    199,614.60x = 31,281,434,206.56
  5. Step 5: Solve for x
    x = 31,281,434,206.56/199,614.60
  6. Step 6: Final answer
    x = 156,709.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.