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Finding the Fourth Proportional to 292.84, 439.36 and 110.36

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Solution

The fourth proportional to 292.84, 439.36 and 110.36 is: 165.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.84 : 439.36 = 110.36 : x
  2. Step 2: Convert to fraction form
    292.84/439.36 = 110.36/x
  3. Step 3: Cross multiply
    292.84x = 439.36 × 110.36
  4. Step 4: Simplify right side
    292.84x = 48,487.77
  5. Step 5: Solve for x
    x = 48,487.77/292.84
  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.