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Finding the Fourth Proportional to 136,546.96, 204,820.44 and 43,062.16

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Solution

The fourth proportional to 136,546.96, 204,820.44 and 43,062.16 is: 64,593.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,546.96 : 204,820.44 = 43,062.16 : x
  2. Step 2: Convert to fraction form
    136,546.96/204,820.44 = 43,062.16/x
  3. Step 3: Cross multiply
    136,546.96x = 204,820.44 × 43,062.16
  4. Step 4: Simplify right side
    136,546.96x = 8,820,010,558.55
  5. Step 5: Solve for x
    x = 8,820,010,558.55/136,546.96
  6. Step 6: Final answer
    x = 64,593.24

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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.