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Finding the Fourth Proportional to 292.58, 439.07 and 110.12

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Solution

The fourth proportional to 292.58, 439.07 and 110.12 is: 165.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.58 : 439.07 = 110.12 : x
  2. Step 2: Convert to fraction form
    292.58/439.07 = 110.12/x
  3. Step 3: Cross multiply
    292.58x = 439.07 × 110.12
  4. Step 4: Simplify right side
    292.58x = 48,350.94
  5. Step 5: Solve for x
    x = 48,350.94/292.58
  6. Step 6: Final answer
    x = 165.26

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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.