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Finding the Fourth Proportional to 269,546.90, 404,263.65 and 136,301.90

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Solution

The fourth proportional to 269,546.90, 404,263.65 and 136,301.90 is: 204,424.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,546.90 : 404,263.65 = 136,301.90 : x
  2. Step 2: Convert to fraction form
    269,546.90/404,263.65 = 136,301.90/x
  3. Step 3: Cross multiply
    269,546.90x = 404,263.65 × 136,301.90
  4. Step 4: Simplify right side
    269,546.90x = 55,101,903,595.94
  5. Step 5: Solve for x
    x = 55,101,903,595.94/269,546.90
  6. Step 6: Final answer
    x = 204,424.18

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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.