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Finding the Fourth Proportional to 143,883.72, 215,817.88 and 44,043.96

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Solution

The fourth proportional to 143,883.72, 215,817.88 and 44,043.96 is: 66,063.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,883.72 : 215,817.88 = 44,043.96 : x
  2. Step 2: Convert to fraction form
    143,883.72/215,817.88 = 44,043.96/x
  3. Step 3: Cross multiply
    143,883.72x = 215,817.88 × 44,043.96
  4. Step 4: Simplify right side
    143,883.72x = 9,505,474,074.00
  5. Step 5: Solve for x
    x = 9,505,474,074.00/143,883.72
  6. Step 6: Final answer
    x = 66,063.58

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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.