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Finding the Fourth Proportional to 129,794.41, 179,046.88 and 89,528.10

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Solution

The fourth proportional to 129,794.41, 179,046.88 and 89,528.10 is: 123,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,794.41 : 179,046.88 = 89,528.10 : x
  2. Step 2: Convert to fraction form
    129,794.41/179,046.88 = 89,528.10/x
  3. Step 3: Cross multiply
    129,794.41x = 179,046.88 × 89,528.10
  4. Step 4: Simplify right side
    129,794.41x = 16,029,726,977.33
  5. Step 5: Solve for x
    x = 16,029,726,977.33/129,794.41
  6. Step 6: Final answer
    x = 123,500.90

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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.