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Finding the Fourth Proportional to 316,679.44, 475,062.92 and 106,377.52

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Solution

The fourth proportional to 316,679.44, 475,062.92 and 106,377.52 is: 159,580.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,679.44 : 475,062.92 = 106,377.52 : x
  2. Step 2: Convert to fraction form
    316,679.44/475,062.92 = 106,377.52/x
  3. Step 3: Cross multiply
    316,679.44x = 475,062.92 × 106,377.52
  4. Step 4: Simplify right side
    316,679.44x = 50,536,015,273.56
  5. Step 5: Solve for x
    x = 50,536,015,273.56/316,679.44
  6. Step 6: Final answer
    x = 159,580.98

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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.