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Finding the Fourth Proportional to 175.13, 241.62 and 101.42

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Solution

The fourth proportional to 175.13, 241.62 and 101.42 is: 139.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.13 : 241.62 = 101.42 : x
  2. Step 2: Convert to fraction form
    175.13/241.62 = 101.42/x
  3. Step 3: Cross multiply
    175.13x = 241.62 × 101.42
  4. Step 4: Simplify right side
    175.13x = 24,505.10
  5. Step 5: Solve for x
    x = 24,505.10/175.13
  6. Step 6: Final answer
    x = 139.93

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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.