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Finding the Fourth Proportional to 62,189.39, 85,821.39 and 35,331.95

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Solution

The fourth proportional to 62,189.39, 85,821.39 and 35,331.95 is: 48,758.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,189.39 : 85,821.39 = 35,331.95 : x
  2. Step 2: Convert to fraction form
    62,189.39/85,821.39 = 35,331.95/x
  3. Step 3: Cross multiply
    62,189.39x = 85,821.39 × 35,331.95
  4. Step 4: Simplify right side
    62,189.39x = 3,032,236,631.30
  5. Step 5: Solve for x
    x = 3,032,236,631.30/62,189.39
  6. Step 6: Final answer
    x = 48,758.10

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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.