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Finding the Fourth Proportional to 220,349.88, 330,294.15 and 92,339.46

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Solution

The fourth proportional to 220,349.88, 330,294.15 and 92,339.46 is: 138,412.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,349.88 : 330,294.15 = 92,339.46 : x
  2. Step 2: Convert to fraction form
    220,349.88/330,294.15 = 92,339.46/x
  3. Step 3: Cross multiply
    220,349.88x = 330,294.15 × 92,339.46
  4. Step 4: Simplify right side
    220,349.88x = 30,499,183,452.16
  5. Step 5: Solve for x
    x = 30,499,183,452.16/220,349.88
  6. Step 6: Final answer
    x = 138,412.53

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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.