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Finding the Fourth Proportional to 178.01, 244.98 and 162.48

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Solution

The fourth proportional to 178.01, 244.98 and 162.48 is: 223.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.01 : 244.98 = 162.48 : x
  2. Step 2: Convert to fraction form
    178.01/244.98 = 162.48/x
  3. Step 3: Cross multiply
    178.01x = 244.98 × 162.48
  4. Step 4: Simplify right side
    178.01x = 39,804.35
  5. Step 5: Solve for x
    x = 39,804.35/178.01
  6. Step 6: Final answer
    x = 223.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.