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Finding the Fourth Proportional to 80,339.96, 110,868.98 and 48,502.60

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Solution

The fourth proportional to 80,339.96, 110,868.98 and 48,502.60 is: 66,933.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,339.96 : 110,868.98 = 48,502.60 : x
  2. Step 2: Convert to fraction form
    80,339.96/110,868.98 = 48,502.60/x
  3. Step 3: Cross multiply
    80,339.96x = 110,868.98 × 48,502.60
  4. Step 4: Simplify right side
    80,339.96x = 5,377,433,789.35
  5. Step 5: Solve for x
    x = 5,377,433,789.35/80,339.96
  6. Step 6: Final answer
    x = 66,933.49

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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.