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Finding the Fourth Proportional to 377,692.88, 566,636.52 and 111,442.64

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Solution

The fourth proportional to 377,692.88, 566,636.52 and 111,442.64 is: 167,192.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,692.88 : 566,636.52 = 111,442.64 : x
  2. Step 2: Convert to fraction form
    377,692.88/566,636.52 = 111,442.64/x
  3. Step 3: Cross multiply
    377,692.88x = 566,636.52 × 111,442.64
  4. Step 4: Simplify right side
    377,692.88x = 63,147,469,709.21
  5. Step 5: Solve for x
    x = 63,147,469,709.21/377,692.88
  6. Step 6: Final answer
    x = 167,192.64

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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.