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Finding the Fourth Proportional to 68,774.93, 103,177.95 and 24,401.73

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Solution

The fourth proportional to 68,774.93, 103,177.95 and 24,401.73 is: 36,608.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,774.93 : 103,177.95 = 24,401.73 : x
  2. Step 2: Convert to fraction form
    68,774.93/103,177.95 = 24,401.73/x
  3. Step 3: Cross multiply
    68,774.93x = 103,177.95 × 24,401.73
  4. Step 4: Simplify right side
    68,774.93x = 2,517,720,477.85
  5. Step 5: Solve for x
    x = 2,517,720,477.85/68,774.93
  6. Step 6: Final answer
    x = 36,608.11

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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.