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Finding the Fourth Proportional to 80,673.79, 111,329.90 and 44,863.02

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Solution

The fourth proportional to 80,673.79, 111,329.90 and 44,863.02 is: 61,911.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,673.79 : 111,329.90 = 44,863.02 : x
  2. Step 2: Convert to fraction form
    80,673.79/111,329.90 = 44,863.02/x
  3. Step 3: Cross multiply
    80,673.79x = 111,329.90 × 44,863.02
  4. Step 4: Simplify right side
    80,673.79x = 4,994,595,530.30
  5. Step 5: Solve for x
    x = 4,994,595,530.30/80,673.79
  6. Step 6: Final answer
    x = 61,911.01

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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.