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Finding the Fourth Proportional to 80,255.88, 110,751.72 and 44,445.12

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Solution

The fourth proportional to 80,255.88, 110,751.72 and 44,445.12 is: 61,333.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,255.88 : 110,751.72 = 44,445.12 : x
  2. Step 2: Convert to fraction form
    80,255.88/110,751.72 = 44,445.12/x
  3. Step 3: Cross multiply
    80,255.88x = 110,751.72 × 44,445.12
  4. Step 4: Simplify right side
    80,255.88x = 4,922,373,485.61
  5. Step 5: Solve for x
    x = 4,922,373,485.61/80,255.88
  6. Step 6: Final answer
    x = 61,333.49

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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.