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Finding the Fourth Proportional to 95,199.61, 131,388.58 and 54,912.49

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Solution

The fourth proportional to 95,199.61, 131,388.58 and 54,912.49 is: 75,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,199.61 : 131,388.58 = 54,912.49 : x
  2. Step 2: Convert to fraction form
    95,199.61/131,388.58 = 54,912.49/x
  3. Step 3: Cross multiply
    95,199.61x = 131,388.58 × 54,912.49
  4. Step 4: Simplify right side
    95,199.61x = 7,214,874,085.36
  5. Step 5: Solve for x
    x = 7,214,874,085.36/95,199.61
  6. Step 6: Final answer
    x = 75,786.80

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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.