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Finding the Fourth Proportional to 80,661.96, 111,314.88 and 44,364.96

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Solution

The fourth proportional to 80,661.96, 111,314.88 and 44,364.96 is: 61,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,661.96 : 111,314.88 = 44,364.96 : x
  2. Step 2: Convert to fraction form
    80,661.96/111,314.88 = 44,364.96/x
  3. Step 3: Cross multiply
    80,661.96x = 111,314.88 × 44,364.96
  4. Step 4: Simplify right side
    80,661.96x = 4,938,480,198.60
  5. Step 5: Solve for x
    x = 4,938,480,198.60/80,661.96
  6. Step 6: Final answer
    x = 61,224.40

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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.