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Finding the Fourth Proportional to 71,273.89, 106,931.04 and 35,692.28

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Solution

The fourth proportional to 71,273.89, 106,931.04 and 35,692.28 is: 53,548.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,273.89 : 106,931.04 = 35,692.28 : x
  2. Step 2: Convert to fraction form
    71,273.89/106,931.04 = 35,692.28/x
  3. Step 3: Cross multiply
    71,273.89x = 106,931.04 × 35,692.28
  4. Step 4: Simplify right side
    71,273.89x = 3,816,612,352.86
  5. Step 5: Solve for x
    x = 3,816,612,352.86/71,273.89
  6. Step 6: Final answer
    x = 53,548.53

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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.