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Finding the Fourth Proportional to 95,657.56, 143,480.78 and 36,499.20

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Solution

The fourth proportional to 95,657.56, 143,480.78 and 36,499.20 is: 54,746.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,657.56 : 143,480.78 = 36,499.20 : x
  2. Step 2: Convert to fraction form
    95,657.56/143,480.78 = 36,499.20/x
  3. Step 3: Cross multiply
    95,657.56x = 143,480.78 × 36,499.20
  4. Step 4: Simplify right side
    95,657.56x = 5,236,933,685.38
  5. Step 5: Solve for x
    x = 5,236,933,685.38/95,657.56
  6. Step 6: Final answer
    x = 54,746.68

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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.