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Finding the Fourth Proportional to 235.03, 351.86 and 174.43

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Solution

The fourth proportional to 235.03, 351.86 and 174.43 is: 261.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.03 : 351.86 = 174.43 : x
  2. Step 2: Convert to fraction form
    235.03/351.86 = 174.43/x
  3. Step 3: Cross multiply
    235.03x = 351.86 × 174.43
  4. Step 4: Simplify right side
    235.03x = 61,373.76
  5. Step 5: Solve for x
    x = 61,373.76/235.03
  6. Step 6: Final answer
    x = 261.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.