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Finding the Fourth Proportional to 268,113.44, 402,169.82 and 68,433.86

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Solution

The fourth proportional to 268,113.44, 402,169.82 and 68,433.86 is: 102,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,113.44 : 402,169.82 = 68,433.86 : x
  2. Step 2: Convert to fraction form
    268,113.44/402,169.82 = 68,433.86/x
  3. Step 3: Cross multiply
    268,113.44x = 402,169.82 × 68,433.86
  4. Step 4: Simplify right side
    268,113.44x = 27,522,033,821.36
  5. Step 5: Solve for x
    x = 27,522,033,821.36/268,113.44
  6. Step 6: Final answer
    x = 102,650.70

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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.