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Finding the Fourth Proportional to 68,175.60, 102,247.50 and 26,040.36

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Solution

The fourth proportional to 68,175.60, 102,247.50 and 26,040.36 is: 39,054.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,175.60 : 102,247.50 = 26,040.36 : x
  2. Step 2: Convert to fraction form
    68,175.60/102,247.50 = 26,040.36/x
  3. Step 3: Cross multiply
    68,175.60x = 102,247.50 × 26,040.36
  4. Step 4: Simplify right side
    68,175.60x = 2,662,561,709.10
  5. Step 5: Solve for x
    x = 2,662,561,709.10/68,175.60
  6. Step 6: Final answer
    x = 39,054.47

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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.