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Finding the Fourth Proportional to 225.37, 337.92 and 117.24

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Solution

The fourth proportional to 225.37, 337.92 and 117.24 is: 175.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.37 : 337.92 = 117.24 : x
  2. Step 2: Convert to fraction form
    225.37/337.92 = 117.24/x
  3. Step 3: Cross multiply
    225.37x = 337.92 × 117.24
  4. Step 4: Simplify right side
    225.37x = 39,617.74
  5. Step 5: Solve for x
    x = 39,617.74/225.37
  6. Step 6: Final answer
    x = 175.79

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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.