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Finding the Fourth Proportional to 85,256.92, 127,885.38 and 38,497.24

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Solution

The fourth proportional to 85,256.92, 127,885.38 and 38,497.24 is: 57,745.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,256.92 : 127,885.38 = 38,497.24 : x
  2. Step 2: Convert to fraction form
    85,256.92/127,885.38 = 38,497.24/x
  3. Step 3: Cross multiply
    85,256.92x = 127,885.38 × 38,497.24
  4. Step 4: Simplify right side
    85,256.92x = 4,923,234,166.35
  5. Step 5: Solve for x
    x = 4,923,234,166.35/85,256.92
  6. Step 6: Final answer
    x = 57,745.86

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Similar ratio
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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.