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Finding the Fourth Proportional to 227,080.88, 313,371.12 and 131,642.72

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Solution

The fourth proportional to 227,080.88, 313,371.12 and 131,642.72 is: 181,666.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,080.88 : 313,371.12 = 131,642.72 : x
  2. Step 2: Convert to fraction form
    227,080.88/313,371.12 = 131,642.72/x
  3. Step 3: Cross multiply
    227,080.88x = 313,371.12 × 131,642.72
  4. Step 4: Simplify right side
    227,080.88x = 41,253,026,606.25
  5. Step 5: Solve for x
    x = 41,253,026,606.25/227,080.88
  6. Step 6: Final answer
    x = 181,666.67

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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.