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Finding the Fourth Proportional to 163.60, 245.46 and 60.93

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Solution

The fourth proportional to 163.60, 245.46 and 60.93 is: 91.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.60 : 245.46 = 60.93 : x
  2. Step 2: Convert to fraction form
    163.60/245.46 = 60.93/x
  3. Step 3: Cross multiply
    163.60x = 245.46 × 60.93
  4. Step 4: Simplify right side
    163.60x = 14,954.65
  5. Step 5: Solve for x
    x = 14,954.65/163.60
  6. Step 6: Final answer
    x = 91.41

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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.