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Finding the Fourth Proportional to 95,101.86, 131,229.39 and 54,815.16

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Solution

The fourth proportional to 95,101.86, 131,229.39 and 54,815.16 is: 75,638.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,101.86 : 131,229.39 = 54,815.16 : x
  2. Step 2: Convert to fraction form
    95,101.86/131,229.39 = 54,815.16/x
  3. Step 3: Cross multiply
    95,101.86x = 131,229.39 × 54,815.16
  4. Step 4: Simplify right side
    95,101.86x = 7,193,360,009.55
  5. Step 5: Solve for x
    x = 7,193,360,009.55/95,101.86
  6. Step 6: Final answer
    x = 75,638.48

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1.5x scale

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.