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Finding the Fourth Proportional to 176.48, 241.60 and 175.28

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Solution

The fourth proportional to 176.48, 241.60 and 175.28 is: 239.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.48 : 241.60 = 175.28 : x
  2. Step 2: Convert to fraction form
    176.48/241.60 = 175.28/x
  3. Step 3: Cross multiply
    176.48x = 241.60 × 175.28
  4. Step 4: Simplify right side
    176.48x = 42,347.65
  5. Step 5: Solve for x
    x = 42,347.65/176.48
  6. Step 6: Final answer
    x = 239.96

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.