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Finding the Fourth Proportional to 89,381.76, 134,081.28 and 36,794.88

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Solution

The fourth proportional to 89,381.76, 134,081.28 and 36,794.88 is: 55,195.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,381.76 : 134,081.28 = 36,794.88 : x
  2. Step 2: Convert to fraction form
    89,381.76/134,081.28 = 36,794.88/x
  3. Step 3: Cross multiply
    89,381.76x = 134,081.28 × 36,794.88
  4. Step 4: Simplify right side
    89,381.76x = 4,933,504,607.85
  5. Step 5: Solve for x
    x = 4,933,504,607.85/89,381.76
  6. Step 6: Final answer
    x = 55,195.88

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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.