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Finding the Fourth Proportional to 225,888.58, 338,167.14 and 197,863.40

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Solution

The fourth proportional to 225,888.58, 338,167.14 and 197,863.40 is: 296,211.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,888.58 : 338,167.14 = 197,863.40 : x
  2. Step 2: Convert to fraction form
    225,888.58/338,167.14 = 197,863.40/x
  3. Step 3: Cross multiply
    225,888.58x = 338,167.14 × 197,863.40
  4. Step 4: Simplify right side
    225,888.58x = 66,910,900,088.68
  5. Step 5: Solve for x
    x = 66,910,900,088.68/225,888.58
  6. Step 6: Final answer
    x = 296,211.96

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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.