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Finding the Fourth Proportional to 143,794.63, 215,692.50 and 43,954.44

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Solution

The fourth proportional to 143,794.63, 215,692.50 and 43,954.44 is: 65,931.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,794.63 : 215,692.50 = 43,954.44 : x
  2. Step 2: Convert to fraction form
    143,794.63/215,692.50 = 43,954.44/x
  3. Step 3: Cross multiply
    143,794.63x = 215,692.50 × 43,954.44
  4. Step 4: Simplify right side
    143,794.63x = 9,480,643,049.70
  5. Step 5: Solve for x
    x = 9,480,643,049.70/143,794.63
  6. Step 6: Final answer
    x = 65,931.83

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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.