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Finding the Fourth Proportional to 355,851.28, 533,753.88 and 134,229.52

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Solution

The fourth proportional to 355,851.28, 533,753.88 and 134,229.52 is: 201,335.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,851.28 : 533,753.88 = 134,229.52 : x
  2. Step 2: Convert to fraction form
    355,851.28/533,753.88 = 134,229.52/x
  3. Step 3: Cross multiply
    355,851.28x = 533,753.88 × 134,229.52
  4. Step 4: Simplify right side
    355,851.28x = 71,645,527,110.54
  5. Step 5: Solve for x
    x = 71,645,527,110.54/355,851.28
  6. Step 6: Final answer
    x = 201,335.59

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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.