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Finding the Fourth Proportional to 292.66, 438.73 and 110.06

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Solution

The fourth proportional to 292.66, 438.73 and 110.06 is: 164.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.66 : 438.73 = 110.06 : x
  2. Step 2: Convert to fraction form
    292.66/438.73 = 110.06/x
  3. Step 3: Cross multiply
    292.66x = 438.73 × 110.06
  4. Step 4: Simplify right side
    292.66x = 48,285.80
  5. Step 5: Solve for x
    x = 48,285.80/292.66
  6. Step 6: Final answer
    x = 164.99

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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.