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Finding the Fourth Proportional to 88,992.75, 122,809.05 and 50,758.55

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Solution

The fourth proportional to 88,992.75, 122,809.05 and 50,758.55 is: 70,046.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,992.75 : 122,809.05 = 50,758.55 : x
  2. Step 2: Convert to fraction form
    88,992.75/122,809.05 = 50,758.55/x
  3. Step 3: Cross multiply
    88,992.75x = 122,809.05 × 50,758.55
  4. Step 4: Simplify right side
    88,992.75x = 6,233,608,690.83
  5. Step 5: Solve for x
    x = 6,233,608,690.83/88,992.75
  6. Step 6: Final answer
    x = 70,046.25

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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.