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Finding the Fourth Proportional to 143,794.77, 215,692.69 and 43,954.58

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Solution

The fourth proportional to 143,794.77, 215,692.69 and 43,954.58 is: 65,932.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,794.77 : 215,692.69 = 43,954.58 : x
  2. Step 2: Convert to fraction form
    143,794.77/215,692.69 = 43,954.58/x
  3. Step 3: Cross multiply
    143,794.77x = 215,692.69 × 43,954.58
  4. Step 4: Simplify right side
    143,794.77x = 9,480,680,299.78
  5. Step 5: Solve for x
    x = 9,480,680,299.78/143,794.77
  6. Step 6: Final answer
    x = 65,932.02

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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.