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Finding the Fourth Proportional to 237,124.78, 327,231.84 and 141,687.34

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Solution

The fourth proportional to 237,124.78, 327,231.84 and 141,687.34 is: 195,528.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,124.78 : 327,231.84 = 141,687.34 : x
  2. Step 2: Convert to fraction form
    237,124.78/327,231.84 = 141,687.34/x
  3. Step 3: Cross multiply
    237,124.78x = 327,231.84 × 141,687.34
  4. Step 4: Simplify right side
    237,124.78x = 46,364,608,972.91
  5. Step 5: Solve for x
    x = 46,364,608,972.91/237,124.78
  6. Step 6: Final answer
    x = 195,528.32

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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.