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Finding the Fourth Proportional to 136,469.34, 204,733.44 and 66,388.14

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Solution

The fourth proportional to 136,469.34, 204,733.44 and 66,388.14 is: 99,596.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,469.34 : 204,733.44 = 66,388.14 : x
  2. Step 2: Convert to fraction form
    136,469.34/204,733.44 = 66,388.14/x
  3. Step 3: Cross multiply
    136,469.34x = 204,733.44 × 66,388.14
  4. Step 4: Simplify right side
    136,469.34x = 13,591,872,277.40
  5. Step 5: Solve for x
    x = 13,591,872,277.40/136,469.34
  6. Step 6: Final answer
    x = 99,596.53

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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.