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Finding the Fourth Proportional to 175.49, 242.09 and 110.02

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Solution

The fourth proportional to 175.49, 242.09 and 110.02 is: 151.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.49 : 242.09 = 110.02 : x
  2. Step 2: Convert to fraction form
    175.49/242.09 = 110.02/x
  3. Step 3: Cross multiply
    175.49x = 242.09 × 110.02
  4. Step 4: Simplify right side
    175.49x = 26,634.74
  5. Step 5: Solve for x
    x = 26,634.74/175.49
  6. Step 6: Final answer
    x = 151.77

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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.