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Finding the Fourth Proportional to 95,872.20, 143,808.30 and 54,400.20

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Solution

The fourth proportional to 95,872.20, 143,808.30 and 54,400.20 is: 81,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,872.20 : 143,808.30 = 54,400.20 : x
  2. Step 2: Convert to fraction form
    95,872.20/143,808.30 = 54,400.20/x
  3. Step 3: Cross multiply
    95,872.20x = 143,808.30 × 54,400.20
  4. Step 4: Simplify right side
    95,872.20x = 7,823,200,281.66
  5. Step 5: Solve for x
    x = 7,823,200,281.66/95,872.20
  6. Step 6: Final answer
    x = 81,600.30

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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.