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Finding the Fourth Proportional to 143,896.70, 215,826.15 and 44,066.90

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Solution

The fourth proportional to 143,896.70, 215,826.15 and 44,066.90 is: 66,094.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,896.70 : 215,826.15 = 44,066.90 : x
  2. Step 2: Convert to fraction form
    143,896.70/215,826.15 = 44,066.90/x
  3. Step 3: Cross multiply
    143,896.70x = 215,826.15 × 44,066.90
  4. Step 4: Simplify right side
    143,896.70x = 9,510,789,369.44
  5. Step 5: Solve for x
    x = 9,510,789,369.44/143,896.70
  6. Step 6: Final answer
    x = 66,094.56

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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.