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Finding the Fourth Proportional to 67,082.40, 92,601.96 and 45,282.96

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Solution

The fourth proportional to 67,082.40, 92,601.96 and 45,282.96 is: 62,509.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,082.40 : 92,601.96 = 45,282.96 : x
  2. Step 2: Convert to fraction form
    67,082.40/92,601.96 = 45,282.96/x
  3. Step 3: Cross multiply
    67,082.40x = 92,601.96 × 45,282.96
  4. Step 4: Simplify right side
    67,082.40x = 4,193,290,850.60
  5. Step 5: Solve for x
    x = 4,193,290,850.60/67,082.40
  6. Step 6: Final answer
    x = 62,509.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.