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Finding the Fourth Proportional to 173,104.86, 259,737.66 and 66,453.33

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Solution

The fourth proportional to 173,104.86, 259,737.66 and 66,453.33 is: 99,710.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,104.86 : 259,737.66 = 66,453.33 : x
  2. Step 2: Convert to fraction form
    173,104.86/259,737.66 = 66,453.33/x
  3. Step 3: Cross multiply
    173,104.86x = 259,737.66 × 66,453.33
  4. Step 4: Simplify right side
    173,104.86x = 17,260,432,433.41
  5. Step 5: Solve for x
    x = 17,260,432,433.41/173,104.86
  6. Step 6: Final answer
    x = 99,710.85

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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.