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Finding the Fourth Proportional to 108,264, 162,422.04 and 34,392

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Solution

The fourth proportional to 108,264, 162,422.04 and 34,392 is: 51,596.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,264 : 162,422.04 = 34,392 : x
  2. Step 2: Convert to fraction form
    108,264/162,422.04 = 34,392/x
  3. Step 3: Cross multiply
    108,264x = 162,422.04 × 34,392
  4. Step 4: Simplify right side
    108,264x = 5,586,018,799.68
  5. Step 5: Solve for x
    x = 5,586,018,799.68/108,264
  6. Step 6: Final answer
    x = 51,596.27

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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.