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Finding the Fourth Proportional to 450.14, 675.22 and 125.51

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Solution

The fourth proportional to 450.14, 675.22 and 125.51 is: 188.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.14 : 675.22 = 125.51 : x
  2. Step 2: Convert to fraction form
    450.14/675.22 = 125.51/x
  3. Step 3: Cross multiply
    450.14x = 675.22 × 125.51
  4. Step 4: Simplify right side
    450.14x = 84,743.17
  5. Step 5: Solve for x
    x = 84,743.17/450.14
  6. Step 6: Final answer
    x = 188.26

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