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Finding the Fourth Proportional to 73,175.40, 109,503.90 and 49,847.40

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Solution

The fourth proportional to 73,175.40, 109,503.90 and 49,847.40 is: 74,594.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,175.40 : 109,503.90 = 49,847.40 : x
  2. Step 2: Convert to fraction form
    73,175.40/109,503.90 = 49,847.40/x
  3. Step 3: Cross multiply
    73,175.40x = 109,503.90 × 49,847.40
  4. Step 4: Simplify right side
    73,175.40x = 5,458,484,704.86
  5. Step 5: Solve for x
    x = 5,458,484,704.86/73,175.40
  6. Step 6: Final answer
    x = 74,594.53

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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.