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Finding the Fourth Proportional to 357.39, 536.00 and 110.61

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Solution

The fourth proportional to 357.39, 536.00 and 110.61 is: 165.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.39 : 536.00 = 110.61 : x
  2. Step 2: Convert to fraction form
    357.39/536.00 = 110.61/x
  3. Step 3: Cross multiply
    357.39x = 536.00 × 110.61
  4. Step 4: Simplify right side
    357.39x = 59,286.41
  5. Step 5: Solve for x
    x = 59,286.41/357.39
  6. Step 6: Final answer
    x = 165.89

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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.