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Finding the Fourth Proportional to 75,166.17, 112,745.31 and 25,247.28

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Solution

The fourth proportional to 75,166.17, 112,745.31 and 25,247.28 is: 37,869.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,166.17 : 112,745.31 = 25,247.28 : x
  2. Step 2: Convert to fraction form
    75,166.17/112,745.31 = 25,247.28/x
  3. Step 3: Cross multiply
    75,166.17x = 112,745.31 × 25,247.28
  4. Step 4: Simplify right side
    75,166.17x = 2,846,512,410.26
  5. Step 5: Solve for x
    x = 2,846,512,410.26/75,166.17
  6. Step 6: Final answer
    x = 37,869.59

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1.5x scale

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.