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Finding the Fourth Proportional to 136,568.40, 204,660.60 and 108,536.40

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Solution

The fourth proportional to 136,568.40, 204,660.60 and 108,536.40 is: 162,652.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,568.40 : 204,660.60 = 108,536.40 : x
  2. Step 2: Convert to fraction form
    136,568.40/204,660.60 = 108,536.40/x
  3. Step 3: Cross multiply
    136,568.40x = 204,660.60 × 108,536.40
  4. Step 4: Simplify right side
    136,568.40x = 22,213,124,745.84
  5. Step 5: Solve for x
    x = 22,213,124,745.84/136,568.40
  6. Step 6: Final answer
    x = 162,652.01

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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.