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Finding the Fourth Proportional to 227,080.72, 313,371.48 and 131,642.74

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Solution

The fourth proportional to 227,080.72, 313,371.48 and 131,642.74 is: 181,667.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,080.72 : 313,371.48 = 131,642.74 : x
  2. Step 2: Convert to fraction form
    227,080.72/313,371.48 = 131,642.74/x
  3. Step 3: Cross multiply
    227,080.72x = 313,371.48 × 131,642.74
  4. Step 4: Simplify right side
    227,080.72x = 41,253,080,265.06
  5. Step 5: Solve for x
    x = 41,253,080,265.06/227,080.72
  6. Step 6: Final answer
    x = 181,667.03

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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.