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Finding the Fourth Proportional to 175.14, 241.47 and 109.53

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Solution

The fourth proportional to 175.14, 241.47 and 109.53 is: 151.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.14 : 241.47 = 109.53 : x
  2. Step 2: Convert to fraction form
    175.14/241.47 = 109.53/x
  3. Step 3: Cross multiply
    175.14x = 241.47 × 109.53
  4. Step 4: Simplify right side
    175.14x = 26,448.21
  5. Step 5: Solve for x
    x = 26,448.21/175.14
  6. Step 6: Final answer
    x = 151.01

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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.