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Finding the Fourth Proportional to 95,480.62, 131,748.63 and 55,186.62

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Solution

The fourth proportional to 95,480.62, 131,748.63 and 55,186.62 is: 76,149.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,480.62 : 131,748.63 = 55,186.62 : x
  2. Step 2: Convert to fraction form
    95,480.62/131,748.63 = 55,186.62/x
  3. Step 3: Cross multiply
    95,480.62x = 131,748.63 × 55,186.62
  4. Step 4: Simplify right side
    95,480.62x = 7,270,760,878.32
  5. Step 5: Solve for x
    x = 7,270,760,878.32/95,480.62
  6. Step 6: Final answer
    x = 76,149.07

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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.