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Finding the Fourth Proportional to 67,311.83, 92,871 and 43,452.08

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Solution

The fourth proportional to 67,311.83, 92,871 and 43,452.08 is: 59,951.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,311.83 : 92,871 = 43,452.08 : x
  2. Step 2: Convert to fraction form
    67,311.83/92,871 = 43,452.08/x
  3. Step 3: Cross multiply
    67,311.83x = 92,871 × 43,452.08
  4. Step 4: Simplify right side
    67,311.83x = 4,035,438,121.68
  5. Step 5: Solve for x
    x = 4,035,438,121.68/67,311.83
  6. Step 6: Final answer
    x = 59,951.40

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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.