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Finding the Fourth Proportional to 109,351.96, 150,904.02 and 61,609.84

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Solution

The fourth proportional to 109,351.96, 150,904.02 and 61,609.84 is: 85,020.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,351.96 : 150,904.02 = 61,609.84 : x
  2. Step 2: Convert to fraction form
    109,351.96/150,904.02 = 61,609.84/x
  3. Step 3: Cross multiply
    109,351.96x = 150,904.02 × 61,609.84
  4. Step 4: Simplify right side
    109,351.96x = 9,297,172,527.56
  5. Step 5: Solve for x
    x = 9,297,172,527.56/109,351.96
  6. Step 6: Final answer
    x = 85,020.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.