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Finding the Fourth Proportional to 143,843.34, 215,730.36 and 44,004.39

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Solution

The fourth proportional to 143,843.34, 215,730.36 and 44,004.39 is: 65,995.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,843.34 : 215,730.36 = 44,004.39 : x
  2. Step 2: Convert to fraction form
    143,843.34/215,730.36 = 44,004.39/x
  3. Step 3: Cross multiply
    143,843.34x = 215,730.36 × 44,004.39
  4. Step 4: Simplify right side
    143,843.34x = 9,493,082,896.28
  5. Step 5: Solve for x
    x = 9,493,082,896.28/143,843.34
  6. Step 6: Final answer
    x = 65,995.98

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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.