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Finding the Fourth Proportional to 176.51, 262.88 and 166.04

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Solution

The fourth proportional to 176.51, 262.88 and 166.04 is: 247.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.51 : 262.88 = 166.04 : x
  2. Step 2: Convert to fraction form
    176.51/262.88 = 166.04/x
  3. Step 3: Cross multiply
    176.51x = 262.88 × 166.04
  4. Step 4: Simplify right side
    176.51x = 43,646.45
  5. Step 5: Solve for x
    x = 43,646.45/176.51
  6. Step 6: Final answer
    x = 247.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.