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Finding the Fourth Proportional to 108,079, 162,119.22 and 34,207

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Solution

The fourth proportional to 108,079, 162,119.22 and 34,207 is: 51,310.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,079 : 162,119.22 = 34,207 : x
  2. Step 2: Convert to fraction form
    108,079/162,119.22 = 34,207/x
  3. Step 3: Cross multiply
    108,079x = 162,119.22 × 34,207
  4. Step 4: Simplify right side
    108,079x = 5,545,612,158.54
  5. Step 5: Solve for x
    x = 5,545,612,158.54/108,079
  6. Step 6: Final answer
    x = 51,310.73

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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.