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Finding the Fourth Proportional to 159,429.25, 220,027.89 and 119,072.94

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Solution

The fourth proportional to 159,429.25, 220,027.89 and 119,072.94 is: 164,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,429.25 : 220,027.89 = 119,072.94 : x
  2. Step 2: Convert to fraction form
    159,429.25/220,027.89 = 119,072.94/x
  3. Step 3: Cross multiply
    159,429.25x = 220,027.89 × 119,072.94
  4. Step 4: Simplify right side
    159,429.25x = 26,199,367,744.30
  5. Step 5: Solve for x
    x = 26,199,367,744.30/159,429.25
  6. Step 6: Final answer
    x = 164,332.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.