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Finding the Fourth Proportional to 173,115.25, 259,701.57 and 60,766.31

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Solution

The fourth proportional to 173,115.25, 259,701.57 and 60,766.31 is: 91,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,115.25 : 259,701.57 = 60,766.31 : x
  2. Step 2: Convert to fraction form
    173,115.25/259,701.57 = 60,766.31/x
  3. Step 3: Cross multiply
    173,115.25x = 259,701.57 × 60,766.31
  4. Step 4: Simplify right side
    173,115.25x = 15,781,106,759.36
  5. Step 5: Solve for x
    x = 15,781,106,759.36/173,115.25
  6. Step 6: Final answer
    x = 91,159.54

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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.