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Finding the Fourth Proportional to 68,711.22, 103,113 and 24,337.80

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Solution

The fourth proportional to 68,711.22, 103,113 and 24,337.80 is: 36,523.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,711.22 : 103,113 = 24,337.80 : x
  2. Step 2: Convert to fraction form
    68,711.22/103,113 = 24,337.80/x
  3. Step 3: Cross multiply
    68,711.22x = 103,113 × 24,337.80
  4. Step 4: Simplify right side
    68,711.22x = 2,509,543,571.40
  5. Step 5: Solve for x
    x = 2,509,543,571.40/68,711.22
  6. Step 6: Final answer
    x = 36,523.05

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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.