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Finding the Fourth Proportional to 67,454.87, 101,266.14 and 43,684.61

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Solution

The fourth proportional to 67,454.87, 101,266.14 and 43,684.61 is: 65,581.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,454.87 : 101,266.14 = 43,684.61 : x
  2. Step 2: Convert to fraction form
    67,454.87/101,266.14 = 43,684.61/x
  3. Step 3: Cross multiply
    67,454.87x = 101,266.14 × 43,684.61
  4. Step 4: Simplify right side
    67,454.87x = 4,423,771,832.11
  5. Step 5: Solve for x
    x = 4,423,771,832.11/67,454.87
  6. Step 6: Final answer
    x = 65,581.21

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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.