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Finding the Fourth Proportional to 136,104.66, 204,027.39 and 65,887.38

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Solution

The fourth proportional to 136,104.66, 204,027.39 and 65,887.38 is: 98,768.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,104.66 : 204,027.39 = 65,887.38 : x
  2. Step 2: Convert to fraction form
    136,104.66/204,027.39 = 65,887.38/x
  3. Step 3: Cross multiply
    136,104.66x = 204,027.39 × 65,887.38
  4. Step 4: Simplify right side
    136,104.66x = 13,442,830,175.34
  5. Step 5: Solve for x
    x = 13,442,830,175.34/136,104.66
  6. Step 6: Final answer
    x = 98,768.33

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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.