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Finding the Fourth Proportional to 251,691.95, 377,387.34 and 170,738.46

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Solution

The fourth proportional to 251,691.95, 377,387.34 and 170,738.46 is: 256,005.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,691.95 : 377,387.34 = 170,738.46 : x
  2. Step 2: Convert to fraction form
    251,691.95/377,387.34 = 170,738.46/x
  3. Step 3: Cross multiply
    251,691.95x = 377,387.34 × 170,738.46
  4. Step 4: Simplify right side
    251,691.95x = 64,434,533,255.10
  5. Step 5: Solve for x
    x = 64,434,533,255.10/251,691.95
  6. Step 6: Final answer
    x = 256,005.54

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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.