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Finding the Fourth Proportional to 108,033.14, 162,108.03 and 52,629.14

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Solution

The fourth proportional to 108,033.14, 162,108.03 and 52,629.14 is: 78,972.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,033.14 : 162,108.03 = 52,629.14 : x
  2. Step 2: Convert to fraction form
    108,033.14/162,108.03 = 52,629.14/x
  3. Step 3: Cross multiply
    108,033.14x = 162,108.03 × 52,629.14
  4. Step 4: Simplify right side
    108,033.14x = 8,531,606,205.99
  5. Step 5: Solve for x
    x = 8,531,606,205.99/108,033.14
  6. Step 6: Final answer
    x = 78,972.12

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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.