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Finding the Fourth Proportional to 172,780.37, 259,169.49 and 44,696.66

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Solution

The fourth proportional to 172,780.37, 259,169.49 and 44,696.66 is: 67,044.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,780.37 : 259,169.49 = 44,696.66 : x
  2. Step 2: Convert to fraction form
    172,780.37/259,169.49 = 44,696.66/x
  3. Step 3: Cross multiply
    172,780.37x = 259,169.49 × 44,696.66
  4. Step 4: Simplify right side
    172,780.37x = 11,584,009,281.06
  5. Step 5: Solve for x
    x = 11,584,009,281.06/172,780.37
  6. Step 6: Final answer
    x = 67,044.71

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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.