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Finding the Fourth Proportional to 220,105.71, 330,114.83 and 107,737.65

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Solution

The fourth proportional to 220,105.71, 330,114.83 and 107,737.65 is: 161,585.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,105.71 : 330,114.83 = 107,737.65 : x
  2. Step 2: Convert to fraction form
    220,105.71/330,114.83 = 107,737.65/x
  3. Step 3: Cross multiply
    220,105.71x = 330,114.83 × 107,737.65
  4. Step 4: Simplify right side
    220,105.71x = 35,565,795,475.66
  5. Step 5: Solve for x
    x = 35,565,795,475.66/220,105.71
  6. Step 6: Final answer
    x = 161,585.07

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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.