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Finding the Fourth Proportional to 136,627.29, 204,917.73 and 36,765.21

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Solution

The fourth proportional to 136,627.29, 204,917.73 and 36,765.21 is: 55,141.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,627.29 : 204,917.73 = 36,765.21 : x
  2. Step 2: Convert to fraction form
    136,627.29/204,917.73 = 36,765.21/x
  3. Step 3: Cross multiply
    136,627.29x = 204,917.73 × 36,765.21
  4. Step 4: Simplify right side
    136,627.29x = 7,533,843,376.17
  5. Step 5: Solve for x
    x = 7,533,843,376.17/136,627.29
  6. Step 6: Final answer
    x = 55,141.57

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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.