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Finding the Fourth Proportional to 240,836.22, 361,122.81 and 191,234.94

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Solution

The fourth proportional to 240,836.22, 361,122.81 and 191,234.94 is: 286,747.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,836.22 : 361,122.81 = 191,234.94 : x
  2. Step 2: Convert to fraction form
    240,836.22/361,122.81 = 191,234.94/x
  3. Step 3: Cross multiply
    240,836.22x = 361,122.81 × 191,234.94
  4. Step 4: Simplify right side
    240,836.22x = 69,059,298,902.98
  5. Step 5: Solve for x
    x = 69,059,298,902.98/240,836.22
  6. Step 6: Final answer
    x = 286,747.98

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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.