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Finding the Fourth Proportional to 75,672.30, 113,427.45 and 25,706.10

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Solution

The fourth proportional to 75,672.30, 113,427.45 and 25,706.10 is: 38,531.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,672.30 : 113,427.45 = 25,706.10 : x
  2. Step 2: Convert to fraction form
    75,672.30/113,427.45 = 25,706.10/x
  3. Step 3: Cross multiply
    75,672.30x = 113,427.45 × 25,706.10
  4. Step 4: Simplify right side
    75,672.30x = 2,915,777,372.45
  5. Step 5: Solve for x
    x = 2,915,777,372.45/75,672.30
  6. Step 6: Final answer
    x = 38,531.63

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.