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Finding the Fourth Proportional to 79,794.92, 109,967.82 and 59,616.20

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Solution

The fourth proportional to 79,794.92, 109,967.82 and 59,616.20 is: 82,158.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,794.92 : 109,967.82 = 59,616.20 : x
  2. Step 2: Convert to fraction form
    79,794.92/109,967.82 = 59,616.20/x
  3. Step 3: Cross multiply
    79,794.92x = 109,967.82 × 59,616.20
  4. Step 4: Simplify right side
    79,794.92x = 6,555,863,550.68
  5. Step 5: Solve for x
    x = 6,555,863,550.68/79,794.92
  6. Step 6: Final answer
    x = 82,158.91

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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.