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Finding the Fourth Proportional to 292.91, 439.52 and 110.35

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Solution

The fourth proportional to 292.91, 439.52 and 110.35 is: 165.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.91 : 439.52 = 110.35 : x
  2. Step 2: Convert to fraction form
    292.91/439.52 = 110.35/x
  3. Step 3: Cross multiply
    292.91x = 439.52 × 110.35
  4. Step 4: Simplify right side
    292.91x = 48,499.38
  5. Step 5: Solve for x
    x = 48,499.38/292.91
  6. Step 6: Final answer
    x = 165.58

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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.