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Finding the Fourth Proportional to 80,709.34, 111,377.22 and 44,898.58

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Solution

The fourth proportional to 80,709.34, 111,377.22 and 44,898.58 is: 61,959.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,709.34 : 111,377.22 = 44,898.58 : x
  2. Step 2: Convert to fraction form
    80,709.34/111,377.22 = 44,898.58/x
  3. Step 3: Cross multiply
    80,709.34x = 111,377.22 × 44,898.58
  4. Step 4: Simplify right side
    80,709.34x = 5,000,679,022.35
  5. Step 5: Solve for x
    x = 5,000,679,022.35/80,709.34
  6. Step 6: Final answer
    x = 61,959.11

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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.