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Finding the Fourth Proportional to 68,517.50, 102,748.98 and 26,374.10

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Solution

The fourth proportional to 68,517.50, 102,748.98 and 26,374.10 is: 39,550.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,517.50 : 102,748.98 = 26,374.10 : x
  2. Step 2: Convert to fraction form
    68,517.50/102,748.98 = 26,374.10/x
  3. Step 3: Cross multiply
    68,517.50x = 102,748.98 × 26,374.10
  4. Step 4: Simplify right side
    68,517.50x = 2,709,911,873.42
  5. Step 5: Solve for x
    x = 2,709,911,873.42/68,517.50
  6. Step 6: Final answer
    x = 39,550.65

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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.