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Finding the Fourth Proportional to 88,489.56, 122,115.54 and 48,745.56

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Solution

The fourth proportional to 88,489.56, 122,115.54 and 48,745.56 is: 67,268.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,489.56 : 122,115.54 = 48,745.56 : x
  2. Step 2: Convert to fraction form
    88,489.56/122,115.54 = 48,745.56/x
  3. Step 3: Cross multiply
    88,489.56x = 122,115.54 × 48,745.56
  4. Step 4: Simplify right side
    88,489.56x = 5,952,590,382.00
  5. Step 5: Solve for x
    x = 5,952,590,382.00/88,489.56
  6. Step 6: Final answer
    x = 67,268.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.