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Finding the Fourth Proportional to 134,682.99, 185,898.34 and 79,540.62

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Solution

The fourth proportional to 134,682.99, 185,898.34 and 79,540.62 is: 109,787.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,682.99 : 185,898.34 = 79,540.62 : x
  2. Step 2: Convert to fraction form
    134,682.99/185,898.34 = 79,540.62/x
  3. Step 3: Cross multiply
    134,682.99x = 185,898.34 × 79,540.62
  4. Step 4: Simplify right side
    134,682.99x = 14,786,468,622.88
  5. Step 5: Solve for x
    x = 14,786,468,622.88/134,682.99
  6. Step 6: Final answer
    x = 109,787.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.