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Finding the Fourth Proportional to 225,410.91, 338,161.45 and 73,618.06

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Solution

The fourth proportional to 225,410.91, 338,161.45 and 73,618.06 is: 110,441.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,410.91 : 338,161.45 = 73,618.06 : x
  2. Step 2: Convert to fraction form
    225,410.91/338,161.45 = 73,618.06/x
  3. Step 3: Cross multiply
    225,410.91x = 338,161.45 × 73,618.06
  4. Step 4: Simplify right side
    225,410.91x = 24,894,788,224.98
  5. Step 5: Solve for x
    x = 24,894,788,224.98/225,410.91
  6. Step 6: Final answer
    x = 110,441.81

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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.