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Finding the Fourth Proportional to 95,751.83, 143,755.01 and 81,801.52

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Solution

The fourth proportional to 95,751.83, 143,755.01 and 81,801.52 is: 122,811.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,751.83 : 143,755.01 = 81,801.52 : x
  2. Step 2: Convert to fraction form
    95,751.83/143,755.01 = 81,801.52/x
  3. Step 3: Cross multiply
    95,751.83x = 143,755.01 × 81,801.52
  4. Step 4: Simplify right side
    95,751.83x = 11,759,378,325.62
  5. Step 5: Solve for x
    x = 11,759,378,325.62/95,751.83
  6. Step 6: Final answer
    x = 122,811.00

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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.