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Finding the Fourth Proportional to 268,676.35, 370,773.34 and 147,815.03

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Solution

The fourth proportional to 268,676.35, 370,773.34 and 147,815.03 is: 203,984.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,676.35 : 370,773.34 = 147,815.03 : x
  2. Step 2: Convert to fraction form
    268,676.35/370,773.34 = 147,815.03/x
  3. Step 3: Cross multiply
    268,676.35x = 370,773.34 × 147,815.03
  4. Step 4: Simplify right side
    268,676.35x = 54,805,872,932.70
  5. Step 5: Solve for x
    x = 54,805,872,932.70/268,676.35
  6. Step 6: Final answer
    x = 203,984.73

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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.