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Finding the Fourth Proportional to 143,399.00, 214,904.73 and 54,604.05

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Solution

The fourth proportional to 143,399.00, 214,904.73 and 54,604.05 is: 81,832.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,399.00 : 214,904.73 = 54,604.05 : x
  2. Step 2: Convert to fraction form
    143,399.00/214,904.73 = 54,604.05/x
  3. Step 3: Cross multiply
    143,399.00x = 214,904.73 × 54,604.05
  4. Step 4: Simplify right side
    143,399.00x = 11,734,668,622.16
  5. Step 5: Solve for x
    x = 11,734,668,622.16/143,399.00
  6. Step 6: Final answer
    x = 81,832.29

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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.