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Finding the Fourth Proportional to 117.22, 175.82 and 36.06

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Solution

The fourth proportional to 117.22, 175.82 and 36.06 is: 54.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.22 : 175.82 = 36.06 : x
  2. Step 2: Convert to fraction form
    117.22/175.82 = 36.06/x
  3. Step 3: Cross multiply
    117.22x = 175.82 × 36.06
  4. Step 4: Simplify right side
    117.22x = 6,340.07
  5. Step 5: Solve for x
    x = 6,340.07/117.22
  6. Step 6: Final answer
    x = 54.09

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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.