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Finding the Fourth Proportional to 176.88, 265.86 and 173.10

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Solution

The fourth proportional to 176.88, 265.86 and 173.10 is: 260.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.88 : 265.86 = 173.10 : x
  2. Step 2: Convert to fraction form
    176.88/265.86 = 173.10/x
  3. Step 3: Cross multiply
    176.88x = 265.86 × 173.10
  4. Step 4: Simplify right side
    176.88x = 46,020.37
  5. Step 5: Solve for x
    x = 46,020.37/176.88
  6. Step 6: Final answer
    x = 260.18

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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.