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Finding the Fourth Proportional to 159,371.82, 239,232.87 and 89,310.06

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Solution

The fourth proportional to 159,371.82, 239,232.87 and 89,310.06 is: 134,063.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,371.82 : 239,232.87 = 89,310.06 : x
  2. Step 2: Convert to fraction form
    159,371.82/239,232.87 = 89,310.06/x
  3. Step 3: Cross multiply
    159,371.82x = 239,232.87 × 89,310.06
  4. Step 4: Simplify right side
    159,371.82x = 21,365,901,973.67
  5. Step 5: Solve for x
    x = 21,365,901,973.67/159,371.82
  6. Step 6: Final answer
    x = 134,063.24

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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.