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Finding the Fourth Proportional to 85,216.73, 127,824.84 and 25,249.86

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Solution

The fourth proportional to 85,216.73, 127,824.84 and 25,249.86 is: 37,874.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,216.73 : 127,824.84 = 25,249.86 : x
  2. Step 2: Convert to fraction form
    85,216.73/127,824.84 = 25,249.86/x
  3. Step 3: Cross multiply
    85,216.73x = 127,824.84 × 25,249.86
  4. Step 4: Simplify right side
    85,216.73x = 3,227,559,314.52
  5. Step 5: Solve for x
    x = 3,227,559,314.52/85,216.73
  6. Step 6: Final answer
    x = 37,874.72

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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.