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Finding the Fourth Proportional to 269,570.30, 404,614.65 and 136,600.70

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Solution

The fourth proportional to 269,570.30, 404,614.65 and 136,600.70 is: 205,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,570.30 : 404,614.65 = 136,600.70 : x
  2. Step 2: Convert to fraction form
    269,570.30/404,614.65 = 136,600.70/x
  3. Step 3: Cross multiply
    269,570.30x = 404,614.65 × 136,600.70
  4. Step 4: Simplify right side
    269,570.30x = 55,270,644,420.26
  5. Step 5: Solve for x
    x = 55,270,644,420.26/269,570.30
  6. Step 6: Final answer
    x = 205,032.40

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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.