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Finding the Fourth Proportional to 76,367.40, 105,387.80 and 44,099.68

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Solution

The fourth proportional to 76,367.40, 105,387.80 and 44,099.68 is: 60,858.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,367.40 : 105,387.80 = 44,099.68 : x
  2. Step 2: Convert to fraction form
    76,367.40/105,387.80 = 44,099.68/x
  3. Step 3: Cross multiply
    76,367.40x = 105,387.80 × 44,099.68
  4. Step 4: Simplify right side
    76,367.40x = 4,647,568,255.90
  5. Step 5: Solve for x
    x = 4,647,568,255.90/76,367.40
  6. Step 6: Final answer
    x = 60,858.01

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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.