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Finding the Fourth Proportional to 68,570.88, 102,860.88 and 26,471.04

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Solution

The fourth proportional to 68,570.88, 102,860.88 and 26,471.04 is: 39,708.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,570.88 : 102,860.88 = 26,471.04 : x
  2. Step 2: Convert to fraction form
    68,570.88/102,860.88 = 26,471.04/x
  3. Step 3: Cross multiply
    68,570.88x = 102,860.88 × 26,471.04
  4. Step 4: Simplify right side
    68,570.88x = 2,722,834,468.92
  5. Step 5: Solve for x
    x = 2,722,834,468.92/68,570.88
  6. Step 6: Final answer
    x = 39,708.32

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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.