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Finding the Fourth Proportional to 159,515.44, 220,118.52 and 92,451.76

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Solution

The fourth proportional to 159,515.44, 220,118.52 and 92,451.76 is: 127,576.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,515.44 : 220,118.52 = 92,451.76 : x
  2. Step 2: Convert to fraction form
    159,515.44/220,118.52 = 92,451.76/x
  3. Step 3: Cross multiply
    159,515.44x = 220,118.52 × 92,451.76
  4. Step 4: Simplify right side
    159,515.44x = 20,350,344,582.60
  5. Step 5: Solve for x
    x = 20,350,344,582.60/159,515.44
  6. Step 6: Final answer
    x = 127,576.02

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1.5x scale

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.