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Finding the Fourth Proportional to 92,525.25, 138,796.57 and 25,965.09

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Solution

The fourth proportional to 92,525.25, 138,796.57 and 25,965.09 is: 38,950.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,525.25 : 138,796.57 = 25,965.09 : x
  2. Step 2: Convert to fraction form
    92,525.25/138,796.57 = 25,965.09/x
  3. Step 3: Cross multiply
    92,525.25x = 138,796.57 × 25,965.09
  4. Step 4: Simplify right side
    92,525.25x = 3,603,865,464.20
  5. Step 5: Solve for x
    x = 3,603,865,464.20/92,525.25
  6. Step 6: Final answer
    x = 38,950.07

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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.