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Finding the Fourth Proportional to 292.02, 403.05 and 167.70

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Solution

The fourth proportional to 292.02, 403.05 and 167.70 is: 231.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.02 : 403.05 = 167.70 : x
  2. Step 2: Convert to fraction form
    292.02/403.05 = 167.70/x
  3. Step 3: Cross multiply
    292.02x = 403.05 × 167.70
  4. Step 4: Simplify right side
    292.02x = 67,591.49
  5. Step 5: Solve for x
    x = 67,591.49/292.02
  6. Step 6: Final answer
    x = 231.46

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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.