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Finding the Fourth Proportional to 95,502.70, 131,809.96 and 55,240.94

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Solution

The fourth proportional to 95,502.70, 131,809.96 and 55,240.94 is: 76,241.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,502.70 : 131,809.96 = 55,240.94 : x
  2. Step 2: Convert to fraction form
    95,502.70/131,809.96 = 55,240.94/x
  3. Step 3: Cross multiply
    95,502.70x = 131,809.96 × 55,240.94
  4. Step 4: Simplify right side
    95,502.70x = 7,281,305,593.54
  5. Step 5: Solve for x
    x = 7,281,305,593.54/95,502.70
  6. Step 6: Final answer
    x = 76,241.89

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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.