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Finding the Fourth Proportional to 68,708.25, 103,073.94 and 23,717.34

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Solution

The fourth proportional to 68,708.25, 103,073.94 and 23,717.34 is: 35,580.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,708.25 : 103,073.94 = 23,717.34 : x
  2. Step 2: Convert to fraction form
    68,708.25/103,073.94 = 23,717.34/x
  3. Step 3: Cross multiply
    68,708.25x = 103,073.94 × 23,717.34
  4. Step 4: Simplify right side
    68,708.25x = 2,444,639,680.12
  5. Step 5: Solve for x
    x = 2,444,639,680.12/68,708.25
  6. Step 6: Final answer
    x = 35,580.00

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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.