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Finding the Fourth Proportional to 225.18, 337.33 and 173.65

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Solution

The fourth proportional to 225.18, 337.33 and 173.65 is: 260.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.18 : 337.33 = 173.65 : x
  2. Step 2: Convert to fraction form
    225.18/337.33 = 173.65/x
  3. Step 3: Cross multiply
    225.18x = 337.33 × 173.65
  4. Step 4: Simplify right side
    225.18x = 58,574.80
  5. Step 5: Solve for x
    x = 58,574.80/225.18
  6. Step 6: Final answer
    x = 260.12

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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.