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Finding the Fourth Proportional to 365,667.20, 548,465.40 and 112,879.56

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Solution

The fourth proportional to 365,667.20, 548,465.40 and 112,879.56 is: 169,308.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,667.20 : 548,465.40 = 112,879.56 : x
  2. Step 2: Convert to fraction form
    365,667.20/548,465.40 = 112,879.56/x
  3. Step 3: Cross multiply
    365,667.20x = 548,465.40 × 112,879.56
  4. Step 4: Simplify right side
    365,667.20x = 61,910,533,027.22
  5. Step 5: Solve for x
    x = 61,910,533,027.22/365,667.20
  6. Step 6: Final answer
    x = 169,308.41

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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.