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Finding the Fourth Proportional to 49,520.80, 74,160.02 and 44,723.04

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Solution

The fourth proportional to 49,520.80, 74,160.02 and 44,723.04 is: 66,975.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,520.80 : 74,160.02 = 44,723.04 : x
  2. Step 2: Convert to fraction form
    49,520.80/74,160.02 = 44,723.04/x
  3. Step 3: Cross multiply
    49,520.80x = 74,160.02 × 44,723.04
  4. Step 4: Simplify right side
    49,520.80x = 3,316,661,540.86
  5. Step 5: Solve for x
    x = 3,316,661,540.86/49,520.80
  6. Step 6: Final answer
    x = 66,975.12

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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.