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Finding the Fourth Proportional to 175, 241.51 and 97.38

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Solution

The fourth proportional to 175, 241.51 and 97.38 is: 134.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    175 : 241.51 = 97.38 : x
  2. Step 2: Convert to fraction form
    175/241.51 = 97.38/x
  3. Step 3: Cross multiply
    175x = 241.51 × 97.38
  4. Step 4: Simplify right side
    175x = 23,518.24
  5. Step 5: Solve for x
    x = 23,518.24/175
  6. Step 6: Final answer
    x = 134.39

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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.