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Finding the Fourth Proportional to 136,655.39, 204,790.37 and 64,531.33

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Solution

The fourth proportional to 136,655.39, 204,790.37 and 64,531.33 is: 96,705.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,655.39 : 204,790.37 = 64,531.33 : x
  2. Step 2: Convert to fraction form
    136,655.39/204,790.37 = 64,531.33/x
  3. Step 3: Cross multiply
    136,655.39x = 204,790.37 × 64,531.33
  4. Step 4: Simplify right side
    136,655.39x = 13,215,394,112.66
  5. Step 5: Solve for x
    x = 13,215,394,112.66/136,655.39
  6. Step 6: Final answer
    x = 96,705.98

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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.