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Finding the Fourth Proportional to 227,252.78, 313,619.55 and 126,651.50

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Solution

The fourth proportional to 227,252.78, 313,619.55 and 126,651.50 is: 174,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,252.78 : 313,619.55 = 126,651.50 : x
  2. Step 2: Convert to fraction form
    227,252.78/313,619.55 = 126,651.50/x
  3. Step 3: Cross multiply
    227,252.78x = 313,619.55 × 126,651.50
  4. Step 4: Simplify right side
    227,252.78x = 39,720,386,436.83
  5. Step 5: Solve for x
    x = 39,720,386,436.83/227,252.78
  6. Step 6: Final answer
    x = 174,785.04

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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.