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Finding the Fourth Proportional to 152.92, 228.84 and 112.24

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Solution

The fourth proportional to 152.92, 228.84 and 112.24 is: 167.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    152.92 : 228.84 = 112.24 : x
  2. Step 2: Convert to fraction form
    152.92/228.84 = 112.24/x
  3. Step 3: Cross multiply
    152.92x = 228.84 × 112.24
  4. Step 4: Simplify right side
    152.92x = 25,685.00
  5. Step 5: Solve for x
    x = 25,685.00/152.92
  6. Step 6: Final answer
    x = 167.96

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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.