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Finding the Fourth Proportional to 79,816.32, 119,724.48 and 44,299.44

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Solution

The fourth proportional to 79,816.32, 119,724.48 and 44,299.44 is: 66,449.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,816.32 : 119,724.48 = 44,299.44 : x
  2. Step 2: Convert to fraction form
    79,816.32/119,724.48 = 44,299.44/x
  3. Step 3: Cross multiply
    79,816.32x = 119,724.48 × 44,299.44
  4. Step 4: Simplify right side
    79,816.32x = 5,303,727,418.29
  5. Step 5: Solve for x
    x = 5,303,727,418.29/79,816.32
  6. Step 6: Final answer
    x = 66,449.16

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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.