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Finding the Fourth Proportional to 227,351, 313,740.22 and 125,385.88

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Solution

The fourth proportional to 227,351, 313,740.22 and 125,385.88 is: 173,030.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,351 : 313,740.22 = 125,385.88 : x
  2. Step 2: Convert to fraction form
    227,351/313,740.22 = 125,385.88/x
  3. Step 3: Cross multiply
    227,351x = 313,740.22 × 125,385.88
  4. Step 4: Simplify right side
    227,351x = 39,338,593,576.09
  5. Step 5: Solve for x
    x = 39,338,593,576.09/227,351
  6. Step 6: Final answer
    x = 173,030.22

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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.