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Finding the Fourth Proportional to 269,605.40, 404,736.15 and 136,417.10

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Solution

The fourth proportional to 269,605.40, 404,736.15 and 136,417.10 is: 204,791.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,605.40 : 404,736.15 = 136,417.10 : x
  2. Step 2: Convert to fraction form
    269,605.40/404,736.15 = 136,417.10/x
  3. Step 3: Cross multiply
    269,605.40x = 404,736.15 × 136,417.10
  4. Step 4: Simplify right side
    269,605.40x = 55,212,931,848.17
  5. Step 5: Solve for x
    x = 55,212,931,848.17/269,605.40
  6. Step 6: Final answer
    x = 204,791.64

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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.