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Finding the Fourth Proportional to 79,920.68, 110,282.69 and 44,108.38

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Solution

The fourth proportional to 79,920.68, 110,282.69 and 44,108.38 is: 60,865.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,920.68 : 110,282.69 = 44,108.38 : x
  2. Step 2: Convert to fraction form
    79,920.68/110,282.69 = 44,108.38/x
  3. Step 3: Cross multiply
    79,920.68x = 110,282.69 × 44,108.38
  4. Step 4: Simplify right side
    79,920.68x = 4,864,391,252.85
  5. Step 5: Solve for x
    x = 4,864,391,252.85/79,920.68
  6. Step 6: Final answer
    x = 60,865.24

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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.