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Finding the Fourth Proportional to 106,609.44, 159,928.56 and 39,132.48

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Solution

The fourth proportional to 106,609.44, 159,928.56 and 39,132.48 is: 58,704.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,609.44 : 159,928.56 = 39,132.48 : x
  2. Step 2: Convert to fraction form
    106,609.44/159,928.56 = 39,132.48/x
  3. Step 3: Cross multiply
    106,609.44x = 159,928.56 × 39,132.48
  4. Step 4: Simplify right side
    106,609.44x = 6,258,401,175.63
  5. Step 5: Solve for x
    x = 6,258,401,175.63/106,609.44
  6. Step 6: Final answer
    x = 58,704.01

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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.