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Finding the Fourth Proportional to 357.56, 536.33 and 114.09

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Solution

The fourth proportional to 357.56, 536.33 and 114.09 is: 171.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.56 : 536.33 = 114.09 : x
  2. Step 2: Convert to fraction form
    357.56/536.33 = 114.09/x
  3. Step 3: Cross multiply
    357.56x = 536.33 × 114.09
  4. Step 4: Simplify right side
    357.56x = 61,189.32
  5. Step 5: Solve for x
    x = 61,189.32/357.56
  6. Step 6: Final answer
    x = 171.13

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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.