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Finding the Fourth Proportional to 68,803.44, 103,118.76 and 24,393.84

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Solution

The fourth proportional to 68,803.44, 103,118.76 and 24,393.84 is: 36,560.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,803.44 : 103,118.76 = 24,393.84 : x
  2. Step 2: Convert to fraction form
    68,803.44/103,118.76 = 24,393.84/x
  3. Step 3: Cross multiply
    68,803.44x = 103,118.76 × 24,393.84
  4. Step 4: Simplify right side
    68,803.44x = 2,515,462,532.44
  5. Step 5: Solve for x
    x = 2,515,462,532.44/68,803.44
  6. Step 6: Final answer
    x = 36,560.13

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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.