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Finding the Fourth Proportional to 269,302.70, 371,654.34 and 148,443.68

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Solution

The fourth proportional to 269,302.70, 371,654.34 and 148,443.68 is: 204,861.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,302.70 : 371,654.34 = 148,443.68 : x
  2. Step 2: Convert to fraction form
    269,302.70/371,654.34 = 148,443.68/x
  3. Step 3: Cross multiply
    269,302.70x = 371,654.34 × 148,443.68
  4. Step 4: Simplify right side
    269,302.70x = 55,169,738,290.04
  5. Step 5: Solve for x
    x = 55,169,738,290.04/269,302.70
  6. Step 6: Final answer
    x = 204,861.44

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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.