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Finding the Fourth Proportional to 176.37, 243.32 and 110.76

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Solution

The fourth proportional to 176.37, 243.32 and 110.76 is: 152.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.37 : 243.32 = 110.76 : x
  2. Step 2: Convert to fraction form
    176.37/243.32 = 110.76/x
  3. Step 3: Cross multiply
    176.37x = 243.32 × 110.76
  4. Step 4: Simplify right side
    176.37x = 26,950.12
  5. Step 5: Solve for x
    x = 26,950.12/176.37
  6. Step 6: Final answer
    x = 152.80

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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.