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Finding the Fourth Proportional to 239,773.73, 330,684.59 and 144,262.58

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Solution

The fourth proportional to 239,773.73, 330,684.59 and 144,262.58 is: 198,960.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,773.73 : 330,684.59 = 144,262.58 : x
  2. Step 2: Convert to fraction form
    239,773.73/330,684.59 = 144,262.58/x
  3. Step 3: Cross multiply
    239,773.73x = 330,684.59 × 144,262.58
  4. Step 4: Simplify right side
    239,773.73x = 47,705,410,826.88
  5. Step 5: Solve for x
    x = 47,705,410,826.88/239,773.73
  6. Step 6: Final answer
    x = 198,960.13

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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.