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Finding the Fourth Proportional to 80,216.80, 110,701.79 and 46,222.68

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Solution

The fourth proportional to 80,216.80, 110,701.79 and 46,222.68 is: 63,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,216.80 : 110,701.79 = 46,222.68 : x
  2. Step 2: Convert to fraction form
    80,216.80/110,701.79 = 46,222.68/x
  3. Step 3: Cross multiply
    80,216.80x = 110,701.79 × 46,222.68
  4. Step 4: Simplify right side
    80,216.80x = 5,116,933,414.60
  5. Step 5: Solve for x
    x = 5,116,933,414.60/80,216.80
  6. Step 6: Final answer
    x = 63,788.80

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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.