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Finding the Fourth Proportional to 159,429.75, 220,028.58 and 119,073.44

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Solution

The fourth proportional to 159,429.75, 220,028.58 and 119,073.44 is: 164,332.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,429.75 : 220,028.58 = 119,073.44 : x
  2. Step 2: Convert to fraction form
    159,429.75/220,028.58 = 119,073.44/x
  3. Step 3: Cross multiply
    159,429.75x = 220,028.58 × 119,073.44
  4. Step 4: Simplify right side
    159,429.75x = 26,199,559,918.92
  5. Step 5: Solve for x
    x = 26,199,559,918.92/159,429.75
  6. Step 6: Final answer
    x = 164,332.94

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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.