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Finding the Fourth Proportional to 214.51, 296.03 and 131.67

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Solution

The fourth proportional to 214.51, 296.03 and 131.67 is: 181.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.51 : 296.03 = 131.67 : x
  2. Step 2: Convert to fraction form
    214.51/296.03 = 131.67/x
  3. Step 3: Cross multiply
    214.51x = 296.03 × 131.67
  4. Step 4: Simplify right side
    214.51x = 38,978.27
  5. Step 5: Solve for x
    x = 38,978.27/214.51
  6. Step 6: Final answer
    x = 181.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.