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Finding the Fourth Proportional to 61,163.60, 91,745.40 and 59,025.20

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Solution

The fourth proportional to 61,163.60, 91,745.40 and 59,025.20 is: 88,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,163.60 : 91,745.40 = 59,025.20 : x
  2. Step 2: Convert to fraction form
    61,163.60/91,745.40 = 59,025.20/x
  3. Step 3: Cross multiply
    61,163.60x = 91,745.40 × 59,025.20
  4. Step 4: Simplify right side
    61,163.60x = 5,415,290,584.08
  5. Step 5: Solve for x
    x = 5,415,290,584.08/61,163.60
  6. Step 6: Final answer
    x = 88,537.80

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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.