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Finding the Fourth Proportional to 228, 341.92 and 106.36

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Solution

The fourth proportional to 228, 341.92 and 106.36 is: 159.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    228 : 341.92 = 106.36 : x
  2. Step 2: Convert to fraction form
    228/341.92 = 106.36/x
  3. Step 3: Cross multiply
    228x = 341.92 × 106.36
  4. Step 4: Simplify right side
    228x = 36,366.61
  5. Step 5: Solve for x
    x = 36,366.61/228
  6. Step 6: Final answer
    x = 159.50

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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.