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Finding the Fourth Proportional to 68,901.52, 103,391.75 and 26,776.14

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Solution

The fourth proportional to 68,901.52, 103,391.75 and 26,776.14 is: 40,179.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,901.52 : 103,391.75 = 26,776.14 : x
  2. Step 2: Convert to fraction form
    68,901.52/103,391.75 = 26,776.14/x
  3. Step 3: Cross multiply
    68,901.52x = 103,391.75 × 26,776.14
  4. Step 4: Simplify right side
    68,901.52x = 2,768,432,562.09
  5. Step 5: Solve for x
    x = 2,768,432,562.09/68,901.52
  6. Step 6: Final answer
    x = 40,179.56

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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.