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Finding the Fourth Proportional to 254,367.52, 381,558.52 and 67,379.04

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Solution

The fourth proportional to 254,367.52, 381,558.52 and 67,379.04 is: 101,070.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,367.52 : 381,558.52 = 67,379.04 : x
  2. Step 2: Convert to fraction form
    254,367.52/381,558.52 = 67,379.04/x
  3. Step 3: Cross multiply
    254,367.52x = 381,558.52 × 67,379.04
  4. Step 4: Simplify right side
    254,367.52x = 25,709,046,781.42
  5. Step 5: Solve for x
    x = 25,709,046,781.42/254,367.52
  6. Step 6: Final answer
    x = 101,070.48

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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.