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Finding the Fourth Proportional to 106,608.44, 159,927.06 and 39,131.48

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Solution

The fourth proportional to 106,608.44, 159,927.06 and 39,131.48 is: 58,702.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,608.44 : 159,927.06 = 39,131.48 : x
  2. Step 2: Convert to fraction form
    106,608.44/159,927.06 = 39,131.48/x
  3. Step 3: Cross multiply
    106,608.44x = 159,927.06 × 39,131.48
  4. Step 4: Simplify right side
    106,608.44x = 6,258,182,549.85
  5. Step 5: Solve for x
    x = 6,258,182,549.85/106,608.44
  6. Step 6: Final answer
    x = 58,702.51

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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.