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Finding the Fourth Proportional to 342,194.52, 472,227.54 and 187,145.88

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Solution

The fourth proportional to 342,194.52, 472,227.54 and 187,145.88 is: 258,260.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,194.52 : 472,227.54 = 187,145.88 : x
  2. Step 2: Convert to fraction form
    342,194.52/472,227.54 = 187,145.88/x
  3. Step 3: Cross multiply
    342,194.52x = 472,227.54 × 187,145.88
  4. Step 4: Simplify right side
    342,194.52x = 88,375,438,533.54
  5. Step 5: Solve for x
    x = 88,375,438,533.54/342,194.52
  6. Step 6: Final answer
    x = 258,260.82

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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.