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Finding the Fourth Proportional to 143,067.72, 214,601.58 and 54,300.24

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Solution

The fourth proportional to 143,067.72, 214,601.58 and 54,300.24 is: 81,450.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,067.72 : 214,601.58 = 54,300.24 : x
  2. Step 2: Convert to fraction form
    143,067.72/214,601.58 = 54,300.24/x
  3. Step 3: Cross multiply
    143,067.72x = 214,601.58 × 54,300.24
  4. Step 4: Simplify right side
    143,067.72x = 11,652,917,298.38
  5. Step 5: Solve for x
    x = 11,652,917,298.38/143,067.72
  6. Step 6: Final answer
    x = 81,450.36

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1.5x scale

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.