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Finding the Fourth Proportional to 374,109.10, 561,163.65 and 93,625.90

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Solution

The fourth proportional to 374,109.10, 561,163.65 and 93,625.90 is: 140,438.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,109.10 : 561,163.65 = 93,625.90 : x
  2. Step 2: Convert to fraction form
    374,109.10/561,163.65 = 93,625.90/x
  3. Step 3: Cross multiply
    374,109.10x = 561,163.65 × 93,625.90
  4. Step 4: Simplify right side
    374,109.10x = 52,539,451,778.54
  5. Step 5: Solve for x
    x = 52,539,451,778.54/374,109.10
  6. Step 6: Final answer
    x = 140,438.85

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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.