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Finding the Fourth Proportional to 163.63, 245.44 and 59.53

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Solution

The fourth proportional to 163.63, 245.44 and 59.53 is: 89.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.63 : 245.44 = 59.53 : x
  2. Step 2: Convert to fraction form
    163.63/245.44 = 59.53/x
  3. Step 3: Cross multiply
    163.63x = 245.44 × 59.53
  4. Step 4: Simplify right side
    163.63x = 14,611.04
  5. Step 5: Solve for x
    x = 14,611.04/163.63
  6. Step 6: Final answer
    x = 89.29

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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.