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Finding the Fourth Proportional to 82,174.80, 113,401.08 and 44,449.20

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Solution

The fourth proportional to 82,174.80, 113,401.08 and 44,449.20 is: 61,339.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,174.80 : 113,401.08 = 44,449.20 : x
  2. Step 2: Convert to fraction form
    82,174.80/113,401.08 = 44,449.20/x
  3. Step 3: Cross multiply
    82,174.80x = 113,401.08 × 44,449.20
  4. Step 4: Simplify right side
    82,174.80x = 5,040,587,285.14
  5. Step 5: Solve for x
    x = 5,040,587,285.14/82,174.80
  6. Step 6: Final answer
    x = 61,339.82

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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.