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Finding the Fourth Proportional to 175.44, 242 and 146.24

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Solution

The fourth proportional to 175.44, 242 and 146.24 is: 201.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.44 : 242 = 146.24 : x
  2. Step 2: Convert to fraction form
    175.44/242 = 146.24/x
  3. Step 3: Cross multiply
    175.44x = 242 × 146.24
  4. Step 4: Simplify right side
    175.44x = 35,390.08
  5. Step 5: Solve for x
    x = 35,390.08/175.44
  6. Step 6: Final answer
    x = 201.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.