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Finding the Fourth Proportional to 292.11, 402.94 and 174.01

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Solution

The fourth proportional to 292.11, 402.94 and 174.01 is: 240.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.11 : 402.94 = 174.01 : x
  2. Step 2: Convert to fraction form
    292.11/402.94 = 174.01/x
  3. Step 3: Cross multiply
    292.11x = 402.94 × 174.01
  4. Step 4: Simplify right side
    292.11x = 70,112.70
  5. Step 5: Solve for x
    x = 70,112.70/292.11
  6. Step 6: Final answer
    x = 240.02

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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.