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Finding the Fourth Proportional to 79,601.58, 119,303.96 and 40,169.97

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Solution

The fourth proportional to 79,601.58, 119,303.96 and 40,169.97 is: 60,205.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,601.58 : 119,303.96 = 40,169.97 : x
  2. Step 2: Convert to fraction form
    79,601.58/119,303.96 = 40,169.97/x
  3. Step 3: Cross multiply
    79,601.58x = 119,303.96 × 40,169.97
  4. Step 4: Simplify right side
    79,601.58x = 4,792,436,293.23
  5. Step 5: Solve for x
    x = 4,792,436,293.23/79,601.58
  6. Step 6: Final answer
    x = 60,205.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.