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Finding the Fourth Proportional to 173,135.66, 259,718.29 and 60,806.09

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Solution

The fourth proportional to 173,135.66, 259,718.29 and 60,806.09 is: 91,214.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,135.66 : 259,718.29 = 60,806.09 : x
  2. Step 2: Convert to fraction form
    173,135.66/259,718.29 = 60,806.09/x
  3. Step 3: Cross multiply
    173,135.66x = 259,718.29 × 60,806.09
  4. Step 4: Simplify right side
    173,135.66x = 15,792,454,213.67
  5. Step 5: Solve for x
    x = 15,792,454,213.67/173,135.66
  6. Step 6: Final answer
    x = 91,214.34

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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.