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Finding the Fourth Proportional to 171,082.74, 256,658.26 and 52,749.56

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Solution

The fourth proportional to 171,082.74, 256,658.26 and 52,749.56 is: 79,134.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,082.74 : 256,658.26 = 52,749.56 : x
  2. Step 2: Convert to fraction form
    171,082.74/256,658.26 = 52,749.56/x
  3. Step 3: Cross multiply
    171,082.74x = 256,658.26 × 52,749.56
  4. Step 4: Simplify right side
    171,082.74x = 13,538,610,285.37
  5. Step 5: Solve for x
    x = 13,538,610,285.37/171,082.74
  6. Step 6: Final answer
    x = 79,134.87

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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.