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Finding the Fourth Proportional to 167,105.57, 250,529.12 and 54,715.64

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Solution

The fourth proportional to 167,105.57, 250,529.12 and 54,715.64 is: 82,031.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,105.57 : 250,529.12 = 54,715.64 : x
  2. Step 2: Convert to fraction form
    167,105.57/250,529.12 = 54,715.64/x
  3. Step 3: Cross multiply
    167,105.57x = 250,529.12 × 54,715.64
  4. Step 4: Simplify right side
    167,105.57x = 13,707,859,818.40
  5. Step 5: Solve for x
    x = 13,707,859,818.40/167,105.57
  6. Step 6: Final answer
    x = 82,031.14

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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.