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Finding the Fourth Proportional to 220,249.84, 330,396.54 and 70,452.52

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Solution

The fourth proportional to 220,249.84, 330,396.54 and 70,452.52 is: 105,685.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,249.84 : 330,396.54 = 70,452.52 : x
  2. Step 2: Convert to fraction form
    220,249.84/330,396.54 = 70,452.52/x
  3. Step 3: Cross multiply
    220,249.84x = 330,396.54 × 70,452.52
  4. Step 4: Simplify right side
    220,249.84x = 23,277,268,842.28
  5. Step 5: Solve for x
    x = 23,277,268,842.28/220,249.84
  6. Step 6: Final answer
    x = 105,685.75

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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.