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Finding the Fourth Proportional to 95,465.52, 131,734.70 and 55,181.90

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Solution

The fourth proportional to 95,465.52, 131,734.70 and 55,181.90 is: 76,146.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,465.52 : 131,734.70 = 55,181.90 : x
  2. Step 2: Convert to fraction form
    95,465.52/131,734.70 = 55,181.90/x
  3. Step 3: Cross multiply
    95,465.52x = 131,734.70 × 55,181.90
  4. Step 4: Simplify right side
    95,465.52x = 7,269,371,041.93
  5. Step 5: Solve for x
    x = 7,269,371,041.93/95,465.52
  6. Step 6: Final answer
    x = 76,146.56

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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.