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Finding the Fourth Proportional to 175.48, 242.34 and 174.04

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Solution

The fourth proportional to 175.48, 242.34 and 174.04 is: 240.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.48 : 242.34 = 174.04 : x
  2. Step 2: Convert to fraction form
    175.48/242.34 = 174.04/x
  3. Step 3: Cross multiply
    175.48x = 242.34 × 174.04
  4. Step 4: Simplify right side
    175.48x = 42,176.85
  5. Step 5: Solve for x
    x = 42,176.85/175.48
  6. Step 6: Final answer
    x = 240.35

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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.