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Finding the Fourth Proportional to 365,448.45, 548,231.76 and 112,669.77

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Solution

The fourth proportional to 365,448.45, 548,231.76 and 112,669.77 is: 169,022.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,448.45 : 548,231.76 = 112,669.77 : x
  2. Step 2: Convert to fraction form
    365,448.45/548,231.76 = 112,669.77/x
  3. Step 3: Cross multiply
    365,448.45x = 548,231.76 × 112,669.77
  4. Step 4: Simplify right side
    365,448.45x = 61,769,146,305.90
  5. Step 5: Solve for x
    x = 61,769,146,305.90/365,448.45
  6. Step 6: Final answer
    x = 169,022.87

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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.