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Finding the Fourth Proportional to 95,797.40, 143,501.70 and 54,195.80

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Solution

The fourth proportional to 95,797.40, 143,501.70 and 54,195.80 is: 81,183.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,797.40 : 143,501.70 = 54,195.80 : x
  2. Step 2: Convert to fraction form
    95,797.40/143,501.70 = 54,195.80/x
  3. Step 3: Cross multiply
    95,797.40x = 143,501.70 × 54,195.80
  4. Step 4: Simplify right side
    95,797.40x = 7,777,189,432.86
  5. Step 5: Solve for x
    x = 7,777,189,432.86/95,797.40
  6. Step 6: Final answer
    x = 81,183.72

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1.5x scale

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.