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Finding the Fourth Proportional to 239,813.82, 330,943.13 and 132,383.93

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Solution

The fourth proportional to 239,813.82, 330,943.13 and 132,383.93 is: 182,689.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,813.82 : 330,943.13 = 132,383.93 : x
  2. Step 2: Convert to fraction form
    239,813.82/330,943.13 = 132,383.93/x
  3. Step 3: Cross multiply
    239,813.82x = 330,943.13 × 132,383.93
  4. Step 4: Simplify right side
    239,813.82x = 43,811,552,155.90
  5. Step 5: Solve for x
    x = 43,811,552,155.90/239,813.82
  6. Step 6: Final answer
    x = 182,689.86

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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.