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Finding the Fourth Proportional to 115,745.55, 173,634.96 and 35,789.76

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Solution

The fourth proportional to 115,745.55, 173,634.96 and 35,789.76 is: 53,689.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,745.55 : 173,634.96 = 35,789.76 : x
  2. Step 2: Convert to fraction form
    115,745.55/173,634.96 = 35,789.76/x
  3. Step 3: Cross multiply
    115,745.55x = 173,634.96 × 35,789.76
  4. Step 4: Simplify right side
    115,745.55x = 6,214,353,546.01
  5. Step 5: Solve for x
    x = 6,214,353,546.01/115,745.55
  6. Step 6: Final answer
    x = 53,689.78

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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.