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Finding the Fourth Proportional to 162.68, 224.34 and 119

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Solution

The fourth proportional to 162.68, 224.34 and 119 is: 164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.68 : 224.34 = 119 : x
  2. Step 2: Convert to fraction form
    162.68/224.34 = 119/x
  3. Step 3: Cross multiply
    162.68x = 224.34 × 119
  4. Step 4: Simplify right side
    162.68x = 26,696.46
  5. Step 5: Solve for x
    x = 26,696.46/162.68
  6. Step 6: Final answer
    x = 164.10

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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.