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Finding the Fourth Proportional to 68,951.39, 95,177.03 and 40,655.25

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Solution

The fourth proportional to 68,951.39, 95,177.03 and 40,655.25 is: 56,118.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,951.39 : 95,177.03 = 40,655.25 : x
  2. Step 2: Convert to fraction form
    68,951.39/95,177.03 = 40,655.25/x
  3. Step 3: Cross multiply
    68,951.39x = 95,177.03 × 40,655.25
  4. Step 4: Simplify right side
    68,951.39x = 3,869,445,745.63
  5. Step 5: Solve for x
    x = 3,869,445,745.63/68,951.39
  6. Step 6: Final answer
    x = 56,118.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.