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Finding the Fourth Proportional to 227,214.26, 313,541.53 and 125,240.53

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Solution

The fourth proportional to 227,214.26, 313,541.53 and 125,240.53 is: 172,824.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,214.26 : 313,541.53 = 125,240.53 : x
  2. Step 2: Convert to fraction form
    227,214.26/313,541.53 = 125,240.53/x
  3. Step 3: Cross multiply
    227,214.26x = 313,541.53 × 125,240.53
  4. Step 4: Simplify right side
    227,214.26x = 39,268,107,589.62
  5. Step 5: Solve for x
    x = 39,268,107,589.62/227,214.26
  6. Step 6: Final answer
    x = 172,824.13

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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.