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Finding the Fourth Proportional to 173,101.86, 259,733.16 and 66,450.33

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Solution

The fourth proportional to 173,101.86, 259,733.16 and 66,450.33 is: 99,706.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,101.86 : 259,733.16 = 66,450.33 : x
  2. Step 2: Convert to fraction form
    173,101.86/259,733.16 = 66,450.33/x
  3. Step 3: Cross multiply
    173,101.86x = 259,733.16 × 66,450.33
  4. Step 4: Simplify right side
    173,101.86x = 17,259,354,193.94
  5. Step 5: Solve for x
    x = 17,259,354,193.94/173,101.86
  6. Step 6: Final answer
    x = 99,706.35

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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.