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Finding the Fourth Proportional to 106,638.87, 159,904.62 and 35,536.32

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Solution

The fourth proportional to 106,638.87, 159,904.62 and 35,536.32 is: 53,286.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,638.87 : 159,904.62 = 35,536.32 : x
  2. Step 2: Convert to fraction form
    106,638.87/159,904.62 = 35,536.32/x
  3. Step 3: Cross multiply
    106,638.87x = 159,904.62 × 35,536.32
  4. Step 4: Simplify right side
    106,638.87x = 5,682,421,745.80
  5. Step 5: Solve for x
    x = 5,682,421,745.80/106,638.87
  6. Step 6: Final answer
    x = 53,286.59

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1.5x scale

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.