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Finding the Fourth Proportional to 227,515.52, 313,969.32 and 125,541.92

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Solution

The fourth proportional to 227,515.52, 313,969.32 and 125,541.92 is: 173,246.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,515.52 : 313,969.32 = 125,541.92 : x
  2. Step 2: Convert to fraction form
    227,515.52/313,969.32 = 125,541.92/x
  3. Step 3: Cross multiply
    227,515.52x = 313,969.32 × 125,541.92
  4. Step 4: Simplify right side
    227,515.52x = 39,416,311,253.89
  5. Step 5: Solve for x
    x = 39,416,311,253.89/227,515.52
  6. Step 6: Final answer
    x = 173,246.69

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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.