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Finding the Fourth Proportional to 159,429.94, 220,028.84 and 119,073.63

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Solution

The fourth proportional to 159,429.94, 220,028.84 and 119,073.63 is: 164,333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,429.94 : 220,028.84 = 119,073.63 : x
  2. Step 2: Convert to fraction form
    159,429.94/220,028.84 = 119,073.63/x
  3. Step 3: Cross multiply
    159,429.94x = 220,028.84 × 119,073.63
  4. Step 4: Simplify right side
    159,429.94x = 26,199,631,835.73
  5. Step 5: Solve for x
    x = 26,199,631,835.73/159,429.94
  6. Step 6: Final answer
    x = 164,333.20

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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.