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Finding the Fourth Proportional to 80,669.52, 111,323.16 and 44,857.80

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Solution

The fourth proportional to 80,669.52, 111,323.16 and 44,857.80 is: 61,903.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,669.52 : 111,323.16 = 44,857.80 : x
  2. Step 2: Convert to fraction form
    80,669.52/111,323.16 = 44,857.80/x
  3. Step 3: Cross multiply
    80,669.52x = 111,323.16 × 44,857.80
  4. Step 4: Simplify right side
    80,669.52x = 4,993,712,046.65
  5. Step 5: Solve for x
    x = 4,993,712,046.65/80,669.52
  6. Step 6: Final answer
    x = 61,903.33

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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.