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Finding the Fourth Proportional to 113,296.88, 170,002.44 and 80,229.44

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Solution

The fourth proportional to 113,296.88, 170,002.44 and 80,229.44 is: 120,384.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,296.88 : 170,002.44 = 80,229.44 : x
  2. Step 2: Convert to fraction form
    113,296.88/170,002.44 = 80,229.44/x
  3. Step 3: Cross multiply
    113,296.88x = 170,002.44 × 80,229.44
  4. Step 4: Simplify right side
    113,296.88x = 13,639,200,559.83
  5. Step 5: Solve for x
    x = 13,639,200,559.83/113,296.88
  6. Step 6: Final answer
    x = 120,384.61

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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.