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Finding the Fourth Proportional to 227,013.46, 313,280.68 and 125,039.29

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Solution

The fourth proportional to 227,013.46, 313,280.68 and 125,039.29 is: 172,555.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,013.46 : 313,280.68 = 125,039.29 : x
  2. Step 2: Convert to fraction form
    227,013.46/313,280.68 = 125,039.29/x
  3. Step 3: Cross multiply
    227,013.46x = 313,280.68 × 125,039.29
  4. Step 4: Simplify right side
    227,013.46x = 39,172,392,231.51
  5. Step 5: Solve for x
    x = 39,172,392,231.51/227,013.46
  6. Step 6: Final answer
    x = 172,555.38

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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.