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Finding the Fourth Proportional to 95,872.80, 143,809.20 and 60,967.20

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Solution

The fourth proportional to 95,872.80, 143,809.20 and 60,967.20 is: 91,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,872.80 : 143,809.20 = 60,967.20 : x
  2. Step 2: Convert to fraction form
    95,872.80/143,809.20 = 60,967.20/x
  3. Step 3: Cross multiply
    95,872.80x = 143,809.20 × 60,967.20
  4. Step 4: Simplify right side
    95,872.80x = 8,767,644,258.24
  5. Step 5: Solve for x
    x = 8,767,644,258.24/95,872.80
  6. Step 6: Final answer
    x = 91,450.80

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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.