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Finding the Fourth Proportional to 67,455.25, 101,187.87 and 25,902.25

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Solution

The fourth proportional to 67,455.25, 101,187.87 and 25,902.25 is: 38,855.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,455.25 : 101,187.87 = 25,902.25 : x
  2. Step 2: Convert to fraction form
    67,455.25/101,187.87 = 25,902.25/x
  3. Step 3: Cross multiply
    67,455.25x = 101,187.87 × 25,902.25
  4. Step 4: Simplify right side
    67,455.25x = 2,620,993,505.71
  5. Step 5: Solve for x
    x = 2,620,993,505.71/67,455.25
  6. Step 6: Final answer
    x = 38,855.29

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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.