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Finding the Fourth Proportional to 269,585.10, 404,625.90 and 136,557.96

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Solution

The fourth proportional to 269,585.10, 404,625.90 and 136,557.96 is: 204,962.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,585.10 : 404,625.90 = 136,557.96 : x
  2. Step 2: Convert to fraction form
    269,585.10/404,625.90 = 136,557.96/x
  3. Step 3: Cross multiply
    269,585.10x = 404,625.90 × 136,557.96
  4. Step 4: Simplify right side
    269,585.10x = 55,254,887,467.16
  5. Step 5: Solve for x
    x = 55,254,887,467.16/269,585.10
  6. Step 6: Final answer
    x = 204,962.69

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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.