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Finding the Fourth Proportional to 113,658.70, 170,481.90 and 34,772.92

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Solution

The fourth proportional to 113,658.70, 170,481.90 and 34,772.92 is: 52,157.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,658.70 : 170,481.90 = 34,772.92 : x
  2. Step 2: Convert to fraction form
    113,658.70/170,481.90 = 34,772.92/x
  3. Step 3: Cross multiply
    113,658.70x = 170,481.90 × 34,772.92
  4. Step 4: Simplify right side
    113,658.70x = 5,928,153,470.15
  5. Step 5: Solve for x
    x = 5,928,153,470.15/113,658.70
  6. Step 6: Final answer
    x = 52,157.50

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1.5x scale

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.