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Finding the Fourth Proportional to 89,422.92, 134,082.54 and 36,772.92

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Solution

The fourth proportional to 89,422.92, 134,082.54 and 36,772.92 is: 55,138.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,422.92 : 134,082.54 = 36,772.92 : x
  2. Step 2: Convert to fraction form
    89,422.92/134,082.54 = 36,772.92/x
  3. Step 3: Cross multiply
    89,422.92x = 134,082.54 × 36,772.92
  4. Step 4: Simplify right side
    89,422.92x = 4,930,606,516.82
  5. Step 5: Solve for x
    x = 4,930,606,516.82/89,422.92
  6. Step 6: Final answer
    x = 55,138.06

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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.