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Finding the Fourth Proportional to 220,607.66, 330,796.99 and 108,238.70

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Solution

The fourth proportional to 220,607.66, 330,796.99 and 108,238.70 is: 162,301.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,607.66 : 330,796.99 = 108,238.70 : x
  2. Step 2: Convert to fraction form
    220,607.66/330,796.99 = 108,238.70/x
  3. Step 3: Cross multiply
    220,607.66x = 330,796.99 × 108,238.70
  4. Step 4: Simplify right side
    220,607.66x = 35,805,036,161.51
  5. Step 5: Solve for x
    x = 35,805,036,161.51/220,607.66
  6. Step 6: Final answer
    x = 162,301.87

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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.