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Finding the Fourth Proportional to 272,550.78, 408,842.56 and 114,791.52

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Solution

The fourth proportional to 272,550.78, 408,842.56 and 114,791.52 is: 172,194.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,550.78 : 408,842.56 = 114,791.52 : x
  2. Step 2: Convert to fraction form
    272,550.78/408,842.56 = 114,791.52/x
  3. Step 3: Cross multiply
    272,550.78x = 408,842.56 × 114,791.52
  4. Step 4: Simplify right side
    272,550.78x = 46,931,658,903.09
  5. Step 5: Solve for x
    x = 46,931,658,903.09/272,550.78
  6. Step 6: Final answer
    x = 172,194.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.