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Finding the Fourth Proportional to 292.77, 439.16 and 110.23

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Solution

The fourth proportional to 292.77, 439.16 and 110.23 is: 165.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.77 : 439.16 = 110.23 : x
  2. Step 2: Convert to fraction form
    292.77/439.16 = 110.23/x
  3. Step 3: Cross multiply
    292.77x = 439.16 × 110.23
  4. Step 4: Simplify right side
    292.77x = 48,406.96
  5. Step 5: Solve for x
    x = 48,406.96/292.77
  6. Step 6: Final answer
    x = 165.34

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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.