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Finding the Fourth Proportional to 136,735.62, 205,117.74 and 36,896.64

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Solution

The fourth proportional to 136,735.62, 205,117.74 and 36,896.64 is: 55,348.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,735.62 : 205,117.74 = 36,896.64 : x
  2. Step 2: Convert to fraction form
    136,735.62/205,117.74 = 36,896.64/x
  3. Step 3: Cross multiply
    136,735.62x = 205,117.74 × 36,896.64
  4. Step 4: Simplify right side
    136,735.62x = 7,568,155,410.39
  5. Step 5: Solve for x
    x = 7,568,155,410.39/136,735.62
  6. Step 6: Final answer
    x = 55,348.82

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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.