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Finding the Fourth Proportional to 173,223.77, 259,842.93 and 84,551.85

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Solution

The fourth proportional to 173,223.77, 259,842.93 and 84,551.85 is: 126,831.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,223.77 : 259,842.93 = 84,551.85 : x
  2. Step 2: Convert to fraction form
    173,223.77/259,842.93 = 84,551.85/x
  3. Step 3: Cross multiply
    173,223.77x = 259,842.93 × 84,551.85
  4. Step 4: Simplify right side
    173,223.77x = 21,970,200,440.92
  5. Step 5: Solve for x
    x = 21,970,200,440.92/173,223.77
  6. Step 6: Final answer
    x = 126,831.33

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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.