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Finding the Fourth Proportional to 268,676.75, 370,773.90 and 147,815.44

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Solution

The fourth proportional to 268,676.75, 370,773.90 and 147,815.44 is: 203,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,676.75 : 370,773.90 = 147,815.44 : x
  2. Step 2: Convert to fraction form
    268,676.75/370,773.90 = 147,815.44/x
  3. Step 3: Cross multiply
    268,676.75x = 370,773.90 × 147,815.44
  4. Step 4: Simplify right side
    268,676.75x = 54,806,107,169.02
  5. Step 5: Solve for x
    x = 54,806,107,169.02/268,676.75
  6. Step 6: Final answer
    x = 203,985.30

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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.