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Finding the Fourth Proportional to 80,679.70, 111,329.40 and 44,863.93

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Solution

The fourth proportional to 80,679.70, 111,329.40 and 44,863.93 is: 61,907.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,679.70 : 111,329.40 = 44,863.93 : x
  2. Step 2: Convert to fraction form
    80,679.70/111,329.40 = 44,863.93/x
  3. Step 3: Cross multiply
    80,679.70x = 111,329.40 × 44,863.93
  4. Step 4: Simplify right side
    80,679.70x = 4,994,674,408.54
  5. Step 5: Solve for x
    x = 4,994,674,408.54/80,679.70
  6. Step 6: Final answer
    x = 61,907.45

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1.5x scale

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.