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Finding the Fourth Proportional to 88,840.80, 122,601.60 and 50,608.80

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Solution

The fourth proportional to 88,840.80, 122,601.60 and 50,608.80 is: 69,840.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,840.80 : 122,601.60 = 50,608.80 : x
  2. Step 2: Convert to fraction form
    88,840.80/122,601.60 = 50,608.80/x
  3. Step 3: Cross multiply
    88,840.80x = 122,601.60 × 50,608.80
  4. Step 4: Simplify right side
    88,840.80x = 6,204,719,854.08
  5. Step 5: Solve for x
    x = 6,204,719,854.08/88,840.80
  6. Step 6: Final answer
    x = 69,840.88

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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.