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Finding the Fourth Proportional to 221,245.86, 331,868.97 and 94,804.11

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Solution

The fourth proportional to 221,245.86, 331,868.97 and 94,804.11 is: 142,206.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,245.86 : 331,868.97 = 94,804.11 : x
  2. Step 2: Convert to fraction form
    221,245.86/331,868.97 = 94,804.11/x
  3. Step 3: Cross multiply
    221,245.86x = 331,868.97 × 94,804.11
  4. Step 4: Simplify right side
    221,245.86x = 31,462,542,337.47
  5. Step 5: Solve for x
    x = 31,462,542,337.47/221,245.86
  6. Step 6: Final answer
    x = 142,206.24

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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.