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Finding the Fourth Proportional to 269,666.01, 404,347.14 and 89,654.85

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Solution

The fourth proportional to 269,666.01, 404,347.14 and 89,654.85 is: 134,431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,666.01 : 404,347.14 = 89,654.85 : x
  2. Step 2: Convert to fraction form
    269,666.01/404,347.14 = 89,654.85/x
  3. Step 3: Cross multiply
    269,666.01x = 404,347.14 × 89,654.85
  4. Step 4: Simplify right side
    269,666.01x = 36,251,682,184.63
  5. Step 5: Solve for x
    x = 36,251,682,184.63/269,666.01
  6. Step 6: Final answer
    x = 134,431.78

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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.