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Finding the Fourth Proportional to 92,248.67, 138,416.75 and 54,882.56

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Solution

The fourth proportional to 92,248.67, 138,416.75 and 54,882.56 is: 82,349.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,248.67 : 138,416.75 = 54,882.56 : x
  2. Step 2: Convert to fraction form
    92,248.67/138,416.75 = 54,882.56/x
  3. Step 3: Cross multiply
    92,248.67x = 138,416.75 × 54,882.56
  4. Step 4: Simplify right side
    92,248.67x = 7,596,665,586.88
  5. Step 5: Solve for x
    x = 7,596,665,586.88/92,248.67
  6. Step 6: Final answer
    x = 82,349.87

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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.