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Finding the Fourth Proportional to 95,644.80, 131,967.36 and 65,450.88

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Solution

The fourth proportional to 95,644.80, 131,967.36 and 65,450.88 is: 90,306.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,644.80 : 131,967.36 = 65,450.88 : x
  2. Step 2: Convert to fraction form
    95,644.80/131,967.36 = 65,450.88/x
  3. Step 3: Cross multiply
    95,644.80x = 131,967.36 × 65,450.88
  4. Step 4: Simplify right side
    95,644.80x = 8,637,379,843.28
  5. Step 5: Solve for x
    x = 8,637,379,843.28/95,644.80
  6. Step 6: Final answer
    x = 90,306.84

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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.