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Finding the Fourth Proportional to 117.49, 176.24 and 36.33

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Solution

The fourth proportional to 117.49, 176.24 and 36.33 is: 54.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.49 : 176.24 = 36.33 : x
  2. Step 2: Convert to fraction form
    117.49/176.24 = 36.33/x
  3. Step 3: Cross multiply
    117.49x = 176.24 × 36.33
  4. Step 4: Simplify right side
    117.49x = 6,403.22
  5. Step 5: Solve for x
    x = 6,403.22/117.49
  6. Step 6: Final answer
    x = 54.50

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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.