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Finding the Fourth Proportional to 73,086.80, 100,863.42 and 44,406.68

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Solution

The fourth proportional to 73,086.80, 100,863.42 and 44,406.68 is: 61,283.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,086.80 : 100,863.42 = 44,406.68 : x
  2. Step 2: Convert to fraction form
    73,086.80/100,863.42 = 44,406.68/x
  3. Step 3: Cross multiply
    73,086.80x = 100,863.42 × 44,406.68
  4. Step 4: Simplify right side
    73,086.80x = 4,479,009,615.65
  5. Step 5: Solve for x
    x = 4,479,009,615.65/73,086.80
  6. Step 6: Final answer
    x = 61,283.43

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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.