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Finding the Fourth Proportional to 176.57, 263.68 and 174.66

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Solution

The fourth proportional to 176.57, 263.68 and 174.66 is: 260.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.57 : 263.68 = 174.66 : x
  2. Step 2: Convert to fraction form
    176.57/263.68 = 174.66/x
  3. Step 3: Cross multiply
    176.57x = 263.68 × 174.66
  4. Step 4: Simplify right side
    176.57x = 46,054.35
  5. Step 5: Solve for x
    x = 46,054.35/176.57
  6. Step 6: Final answer
    x = 260.83

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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.