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Finding the Fourth Proportional to 95,483.41, 131,770.85 and 65,331.97

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Solution

The fourth proportional to 95,483.41, 131,770.85 and 65,331.97 is: 90,160.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,483.41 : 131,770.85 = 65,331.97 : x
  2. Step 2: Convert to fraction form
    95,483.41/131,770.85 = 65,331.97/x
  3. Step 3: Cross multiply
    95,483.41x = 131,770.85 × 65,331.97
  4. Step 4: Simplify right side
    95,483.41x = 8,608,849,219.07
  5. Step 5: Solve for x
    x = 8,608,849,219.07/95,483.41
  6. Step 6: Final answer
    x = 90,160.68

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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.