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Finding the Fourth Proportional to 220,544.80, 304,343.04 and 119,942.88

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Solution

The fourth proportional to 220,544.80, 304,343.04 and 119,942.88 is: 165,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,544.80 : 304,343.04 = 119,942.88 : x
  2. Step 2: Convert to fraction form
    220,544.80/304,343.04 = 119,942.88/x
  3. Step 3: Cross multiply
    220,544.80x = 304,343.04 × 119,942.88
  4. Step 4: Simplify right side
    220,544.80x = 36,503,780,725.56
  5. Step 5: Solve for x
    x = 36,503,780,725.56/220,544.80
  6. Step 6: Final answer
    x = 165,516.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.