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Finding the Fourth Proportional to 220,801.66, 330,924.80 and 119,595.76

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Solution

The fourth proportional to 220,801.66, 330,924.80 and 119,595.76 is: 179,243.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,801.66 : 330,924.80 = 119,595.76 : x
  2. Step 2: Convert to fraction form
    220,801.66/330,924.80 = 119,595.76/x
  3. Step 3: Cross multiply
    220,801.66x = 330,924.80 × 119,595.76
  4. Step 4: Simplify right side
    220,801.66x = 39,577,202,958.85
  5. Step 5: Solve for x
    x = 39,577,202,958.85/220,801.66
  6. Step 6: Final answer
    x = 179,243.23

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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.