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Finding the Fourth Proportional to 73,850.97, 110,812.61 and 45,763.52

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Solution

The fourth proportional to 73,850.97, 110,812.61 and 45,763.52 is: 68,667.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,850.97 : 110,812.61 = 45,763.52 : x
  2. Step 2: Convert to fraction form
    73,850.97/110,812.61 = 45,763.52/x
  3. Step 3: Cross multiply
    73,850.97x = 110,812.61 × 45,763.52
  4. Step 4: Simplify right side
    73,850.97x = 5,071,174,396.91
  5. Step 5: Solve for x
    x = 5,071,174,396.91/73,850.97
  6. Step 6: Final answer
    x = 68,667.67

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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.