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Finding the Fourth Proportional to 248,791.59, 343,332.42 and 135,614.34

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Solution

The fourth proportional to 248,791.59, 343,332.42 and 135,614.34 is: 187,147.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,791.59 : 343,332.42 = 135,614.34 : x
  2. Step 2: Convert to fraction form
    248,791.59/343,332.42 = 135,614.34/x
  3. Step 3: Cross multiply
    248,791.59x = 343,332.42 × 135,614.34
  4. Step 4: Simplify right side
    248,791.59x = 46,560,799,538.90
  5. Step 5: Solve for x
    x = 46,560,799,538.90/248,791.59
  6. Step 6: Final answer
    x = 187,147.80

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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.