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Finding the Fourth Proportional to 297,135.86, 445,591.98 and 107,549.37

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Solution

The fourth proportional to 297,135.86, 445,591.98 and 107,549.37 is: 161,283.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,135.86 : 445,591.98 = 107,549.37 : x
  2. Step 2: Convert to fraction form
    297,135.86/445,591.98 = 107,549.37/x
  3. Step 3: Cross multiply
    297,135.86x = 445,591.98 × 107,549.37
  4. Step 4: Simplify right side
    297,135.86x = 47,923,136,726.05
  5. Step 5: Solve for x
    x = 47,923,136,726.05/297,135.86
  6. Step 6: Final answer
    x = 161,283.59

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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.