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Finding the Fourth Proportional to 73,724, 101,704.08 and 49,859.04

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Solution

The fourth proportional to 73,724, 101,704.08 and 49,859.04 is: 68,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,724 : 101,704.08 = 49,859.04 : x
  2. Step 2: Convert to fraction form
    73,724/101,704.08 = 49,859.04/x
  3. Step 3: Cross multiply
    73,724x = 101,704.08 × 49,859.04
  4. Step 4: Simplify right side
    73,724x = 5,070,867,792.88
  5. Step 5: Solve for x
    x = 5,070,867,792.88/73,724
  6. Step 6: Final answer
    x = 68,781.78

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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.