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Finding the Fourth Proportional to 68,752.74, 103,114.26 and 24,380.94

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Solution

The fourth proportional to 68,752.74, 103,114.26 and 24,380.94 is: 36,566.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,752.74 : 103,114.26 = 24,380.94 : x
  2. Step 2: Convert to fraction form
    68,752.74/103,114.26 = 24,380.94/x
  3. Step 3: Cross multiply
    68,752.74x = 103,114.26 × 24,380.94
  4. Step 4: Simplify right side
    68,752.74x = 2,514,022,586.20
  5. Step 5: Solve for x
    x = 2,514,022,586.20/68,752.74
  6. Step 6: Final answer
    x = 36,566.14

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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.