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Finding the Fourth Proportional to 92,325.81, 138,512.01 and 25,765.88

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Solution

The fourth proportional to 92,325.81, 138,512.01 and 25,765.88 is: 38,655.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,325.81 : 138,512.01 = 25,765.88 : x
  2. Step 2: Convert to fraction form
    92,325.81/138,512.01 = 25,765.88/x
  3. Step 3: Cross multiply
    92,325.81x = 138,512.01 × 25,765.88
  4. Step 4: Simplify right side
    92,325.81x = 3,568,883,135.66
  5. Step 5: Solve for x
    x = 3,568,883,135.66/92,325.81
  6. Step 6: Final answer
    x = 38,655.31

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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.