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Finding the Fourth Proportional to 101,905.39, 152,874.80 and 41,917.61

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Solution

The fourth proportional to 101,905.39, 152,874.80 and 41,917.61 is: 62,883.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,905.39 : 152,874.80 = 41,917.61 : x
  2. Step 2: Convert to fraction form
    101,905.39/152,874.80 = 41,917.61/x
  3. Step 3: Cross multiply
    101,905.39x = 152,874.80 × 41,917.61
  4. Step 4: Simplify right side
    101,905.39x = 6,408,145,653.45
  5. Step 5: Solve for x
    x = 6,408,145,653.45/101,905.39
  6. Step 6: Final answer
    x = 62,883.28

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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.