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Finding the Fourth Proportional to 237,359.78, 327,556.92 and 129,936.39

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Solution

The fourth proportional to 237,359.78, 327,556.92 and 129,936.39 is: 179,312.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,359.78 : 327,556.92 = 129,936.39 : x
  2. Step 2: Convert to fraction form
    237,359.78/327,556.92 = 129,936.39/x
  3. Step 3: Cross multiply
    237,359.78x = 327,556.92 × 129,936.39
  4. Step 4: Simplify right side
    237,359.78x = 42,561,563,704.32
  5. Step 5: Solve for x
    x = 42,561,563,704.32/237,359.78
  6. Step 6: Final answer
    x = 179,312.45

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1.5x scale

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.