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Finding the Fourth Proportional to 214.48, 296.03 and 186.22

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Solution

The fourth proportional to 214.48, 296.03 and 186.22 is: 257.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.48 : 296.03 = 186.22 : x
  2. Step 2: Convert to fraction form
    214.48/296.03 = 186.22/x
  3. Step 3: Cross multiply
    214.48x = 296.03 × 186.22
  4. Step 4: Simplify right side
    214.48x = 55,124.30
  5. Step 5: Solve for x
    x = 55,124.30/214.48
  6. Step 6: Final answer
    x = 257.02

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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.