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Finding the Fourth Proportional to 225.27, 337.95 and 117.03

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Solution

The fourth proportional to 225.27, 337.95 and 117.03 is: 175.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.27 : 337.95 = 117.03 : x
  2. Step 2: Convert to fraction form
    225.27/337.95 = 117.03/x
  3. Step 3: Cross multiply
    225.27x = 337.95 × 117.03
  4. Step 4: Simplify right side
    225.27x = 39,550.29
  5. Step 5: Solve for x
    x = 39,550.29/225.27
  6. Step 6: Final answer
    x = 175.57

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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.