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Finding the Fourth Proportional to 163.55, 244.99 and 156.04

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Solution

The fourth proportional to 163.55, 244.99 and 156.04 is: 233.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.55 : 244.99 = 156.04 : x
  2. Step 2: Convert to fraction form
    163.55/244.99 = 156.04/x
  3. Step 3: Cross multiply
    163.55x = 244.99 × 156.04
  4. Step 4: Simplify right side
    163.55x = 38,227.82
  5. Step 5: Solve for x
    x = 38,227.82/163.55
  6. Step 6: Final answer
    x = 233.73

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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.