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Finding the Fourth Proportional to 175.55, 242.25 and 110.03

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Solution

The fourth proportional to 175.55, 242.25 and 110.03 is: 151.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.55 : 242.25 = 110.03 : x
  2. Step 2: Convert to fraction form
    175.55/242.25 = 110.03/x
  3. Step 3: Cross multiply
    175.55x = 242.25 × 110.03
  4. Step 4: Simplify right side
    175.55x = 26,654.77
  5. Step 5: Solve for x
    x = 26,654.77/175.55
  6. Step 6: Final answer
    x = 151.84

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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.