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Finding the Fourth Proportional to 67,728.96, 101,612.88 and 44,326.44

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Solution

The fourth proportional to 67,728.96, 101,612.88 and 44,326.44 is: 66,502.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,728.96 : 101,612.88 = 44,326.44 : x
  2. Step 2: Convert to fraction form
    67,728.96/101,612.88 = 44,326.44/x
  3. Step 3: Cross multiply
    67,728.96x = 101,612.88 × 44,326.44
  4. Step 4: Simplify right side
    67,728.96x = 4,504,137,228.55
  5. Step 5: Solve for x
    x = 4,504,137,228.55/67,728.96
  6. Step 6: Final answer
    x = 66,502.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.