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Finding the Fourth Proportional to 68,913.62, 95,127.14 and 67,017.62

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Solution

The fourth proportional to 68,913.62, 95,127.14 and 67,017.62 is: 92,509.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,913.62 : 95,127.14 = 67,017.62 : x
  2. Step 2: Convert to fraction form
    68,913.62/95,127.14 = 67,017.62/x
  3. Step 3: Cross multiply
    68,913.62x = 95,127.14 × 67,017.62
  4. Step 4: Simplify right side
    68,913.62x = 6,375,194,520.21
  5. Step 5: Solve for x
    x = 6,375,194,520.21/68,913.62
  6. Step 6: Final answer
    x = 92,509.94

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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.