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Finding the Fourth Proportional to 239,383.67, 358,965.14 and 70,843.73

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Solution

The fourth proportional to 239,383.67, 358,965.14 and 70,843.73 is: 106,232.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,383.67 : 358,965.14 = 70,843.73 : x
  2. Step 2: Convert to fraction form
    239,383.67/358,965.14 = 70,843.73/x
  3. Step 3: Cross multiply
    239,383.67x = 358,965.14 × 70,843.73
  4. Step 4: Simplify right side
    239,383.67x = 25,430,427,308.53
  5. Step 5: Solve for x
    x = 25,430,427,308.53/239,383.67
  6. Step 6: Final answer
    x = 106,232.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.