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Finding the Fourth Proportional to 175.92, 242.74 and 110.51

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Solution

The fourth proportional to 175.92, 242.74 and 110.51 is: 152.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.92 : 242.74 = 110.51 : x
  2. Step 2: Convert to fraction form
    175.92/242.74 = 110.51/x
  3. Step 3: Cross multiply
    175.92x = 242.74 × 110.51
  4. Step 4: Simplify right side
    175.92x = 26,825.53
  5. Step 5: Solve for x
    x = 26,825.53/175.92
  6. Step 6: Final answer
    x = 152.49

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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.