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Finding the Fourth Proportional to 68,259.87, 102,382.53 and 23,887.47

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Solution

The fourth proportional to 68,259.87, 102,382.53 and 23,887.47 is: 35,828.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,259.87 : 102,382.53 = 23,887.47 : x
  2. Step 2: Convert to fraction form
    68,259.87/102,382.53 = 23,887.47/x
  3. Step 3: Cross multiply
    68,259.87x = 102,382.53 × 23,887.47
  4. Step 4: Simplify right side
    68,259.87x = 2,445,659,613.90
  5. Step 5: Solve for x
    x = 2,445,659,613.90/68,259.87
  6. Step 6: Final answer
    x = 35,828.66

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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.