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Finding the Fourth Proportional to 179.96, 248.28 and 162.50

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Solution

The fourth proportional to 179.96, 248.28 and 162.50 is: 224.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.96 : 248.28 = 162.50 : x
  2. Step 2: Convert to fraction form
    179.96/248.28 = 162.50/x
  3. Step 3: Cross multiply
    179.96x = 248.28 × 162.50
  4. Step 4: Simplify right side
    179.96x = 40,345.50
  5. Step 5: Solve for x
    x = 40,345.50/179.96
  6. Step 6: Final answer
    x = 224.19

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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.