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Finding the Fourth Proportional to 268,652.10, 370,725.27 and 147,773.88

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Solution

The fourth proportional to 268,652.10, 370,725.27 and 147,773.88 is: 203,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,652.10 : 370,725.27 = 147,773.88 : x
  2. Step 2: Convert to fraction form
    268,652.10/370,725.27 = 147,773.88/x
  3. Step 3: Cross multiply
    268,652.10x = 370,725.27 × 147,773.88
  4. Step 4: Simplify right side
    268,652.10x = 54,783,511,007.80
  5. Step 5: Solve for x
    x = 54,783,511,007.80/268,652.10
  6. Step 6: Final answer
    x = 203,919.90

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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.