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Finding the Fourth Proportional to 214.80, 296.58 and 132.02

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Solution

The fourth proportional to 214.80, 296.58 and 132.02 is: 182.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.80 : 296.58 = 132.02 : x
  2. Step 2: Convert to fraction form
    214.80/296.58 = 132.02/x
  3. Step 3: Cross multiply
    214.80x = 296.58 × 132.02
  4. Step 4: Simplify right side
    214.80x = 39,155.73
  5. Step 5: Solve for x
    x = 39,155.73/214.80
  6. Step 6: Final answer
    x = 182.29

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Why These Related Problems?

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