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Finding the Fourth Proportional to 95,866.20, 143,677.80 and 36,622.80

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Solution

The fourth proportional to 95,866.20, 143,677.80 and 36,622.80 is: 54,887.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,866.20 : 143,677.80 = 36,622.80 : x
  2. Step 2: Convert to fraction form
    95,866.20/143,677.80 = 36,622.80/x
  3. Step 3: Cross multiply
    95,866.20x = 143,677.80 × 36,622.80
  4. Step 4: Simplify right side
    95,866.20x = 5,261,883,333.84
  5. Step 5: Solve for x
    x = 5,261,883,333.84/95,866.20
  6. Step 6: Final answer
    x = 54,887.78

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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.