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Finding the Fourth Proportional to 104,750.82, 157,063.56 and 71,058.24

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Solution

The fourth proportional to 104,750.82, 157,063.56 and 71,058.24 is: 106,544.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,750.82 : 157,063.56 = 71,058.24 : x
  2. Step 2: Convert to fraction form
    104,750.82/157,063.56 = 71,058.24/x
  3. Step 3: Cross multiply
    104,750.82x = 157,063.56 × 71,058.24
  4. Step 4: Simplify right side
    104,750.82x = 11,160,660,141.73
  5. Step 5: Solve for x
    x = 11,160,660,141.73/104,750.82
  6. Step 6: Final answer
    x = 106,544.85

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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.