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Finding the Fourth Proportional to 269,501.40, 404,195.40 and 136,256.40

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Solution

The fourth proportional to 269,501.40, 404,195.40 and 136,256.40 is: 204,355.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,501.40 : 404,195.40 = 136,256.40 : x
  2. Step 2: Convert to fraction form
    269,501.40/404,195.40 = 136,256.40/x
  3. Step 3: Cross multiply
    269,501.40x = 404,195.40 × 136,256.40
  4. Step 4: Simplify right side
    269,501.40x = 55,074,210,100.56
  5. Step 5: Solve for x
    x = 55,074,210,100.56/269,501.40
  6. Step 6: Final answer
    x = 204,355.93

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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.