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Finding the Fourth Proportional to 292.12, 437.65 and 168.10

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Solution

The fourth proportional to 292.12, 437.65 and 168.10 is: 251.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.12 : 437.65 = 168.10 : x
  2. Step 2: Convert to fraction form
    292.12/437.65 = 168.10/x
  3. Step 3: Cross multiply
    292.12x = 437.65 × 168.10
  4. Step 4: Simplify right side
    292.12x = 73,568.97
  5. Step 5: Solve for x
    x = 73,568.97/292.12
  6. Step 6: Final answer
    x = 251.85

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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.