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Finding the Fourth Proportional to 365,611.32, 548,416.17 and 99,410.49

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Solution

The fourth proportional to 365,611.32, 548,416.17 and 99,410.49 is: 149,115.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,611.32 : 548,416.17 = 99,410.49 : x
  2. Step 2: Convert to fraction form
    365,611.32/548,416.17 = 99,410.49/x
  3. Step 3: Cross multiply
    365,611.32x = 548,416.17 × 99,410.49
  4. Step 4: Simplify right side
    365,611.32x = 54,518,320,183.62
  5. Step 5: Solve for x
    x = 54,518,320,183.62/365,611.32
  6. Step 6: Final answer
    x = 149,115.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.