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Finding the Fourth Proportional to 101,881.22, 152,814.60 and 26,999.70

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Solution

The fourth proportional to 101,881.22, 152,814.60 and 26,999.70 is: 40,497.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,881.22 : 152,814.60 = 26,999.70 : x
  2. Step 2: Convert to fraction form
    101,881.22/152,814.60 = 26,999.70/x
  3. Step 3: Cross multiply
    101,881.22x = 152,814.60 × 26,999.70
  4. Step 4: Simplify right side
    101,881.22x = 4,125,948,355.62
  5. Step 5: Solve for x
    x = 4,125,948,355.62/101,881.22
  6. Step 6: Final answer
    x = 40,497.63

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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.