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Finding the Fourth Proportional to 379,162.60, 568,753.50 and 98,692.84

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Solution

The fourth proportional to 379,162.60, 568,753.50 and 98,692.84 is: 148,041.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,162.60 : 568,753.50 = 98,692.84 : x
  2. Step 2: Convert to fraction form
    379,162.60/568,753.50 = 98,692.84/x
  3. Step 3: Cross multiply
    379,162.60x = 568,753.50 × 98,692.84
  4. Step 4: Simplify right side
    379,162.60x = 56,131,898,174.94
  5. Step 5: Solve for x
    x = 56,131,898,174.94/379,162.60
  6. Step 6: Final answer
    x = 148,041.76

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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.