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Finding the Fourth Proportional to 214.68, 322.02 and 167.16

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Solution

The fourth proportional to 214.68, 322.02 and 167.16 is: 250.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.68 : 322.02 = 167.16 : x
  2. Step 2: Convert to fraction form
    214.68/322.02 = 167.16/x
  3. Step 3: Cross multiply
    214.68x = 322.02 × 167.16
  4. Step 4: Simplify right side
    214.68x = 53,828.86
  5. Step 5: Solve for x
    x = 53,828.86/214.68
  6. Step 6: Final answer
    x = 250.74

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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.