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Finding the Fourth Proportional to 108,081, 162,179.82 and 52,677

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Solution

The fourth proportional to 108,081, 162,179.82 and 52,677 is: 79,043.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,081 : 162,179.82 = 52,677 : x
  2. Step 2: Convert to fraction form
    108,081/162,179.82 = 52,677/x
  3. Step 3: Cross multiply
    108,081x = 162,179.82 × 52,677
  4. Step 4: Simplify right side
    108,081x = 8,543,146,378.14
  5. Step 5: Solve for x
    x = 8,543,146,378.14/108,081
  6. Step 6: Final answer
    x = 79,043.92

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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.