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Finding the Fourth Proportional to 73,866.50, 110,834.36 and 36,406.16

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Solution

The fourth proportional to 73,866.50, 110,834.36 and 36,406.16 is: 54,626.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,866.50 : 110,834.36 = 36,406.16 : x
  2. Step 2: Convert to fraction form
    73,866.50/110,834.36 = 36,406.16/x
  3. Step 3: Cross multiply
    73,866.50x = 110,834.36 × 36,406.16
  4. Step 4: Simplify right side
    73,866.50x = 4,035,052,707.46
  5. Step 5: Solve for x
    x = 4,035,052,707.46/73,866.50
  6. Step 6: Final answer
    x = 54,626.29

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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.