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Finding the Fourth Proportional to 223,498.27, 335,244.57 and 55,020.70

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Solution

The fourth proportional to 223,498.27, 335,244.57 and 55,020.70 is: 82,530.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,498.27 : 335,244.57 = 55,020.70 : x
  2. Step 2: Convert to fraction form
    223,498.27/335,244.57 = 55,020.70/x
  3. Step 3: Cross multiply
    223,498.27x = 335,244.57 × 55,020.70
  4. Step 4: Simplify right side
    223,498.27x = 18,445,390,912.60
  5. Step 5: Solve for x
    x = 18,445,390,912.60/223,498.27
  6. Step 6: Final answer
    x = 82,530.35

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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.