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Finding the Fourth Proportional to 80,264.94, 110,766.44 and 48,427.69

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Solution

The fourth proportional to 80,264.94, 110,766.44 and 48,427.69 is: 66,830.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,264.94 : 110,766.44 = 48,427.69 : x
  2. Step 2: Convert to fraction form
    80,264.94/110,766.44 = 48,427.69/x
  3. Step 3: Cross multiply
    80,264.94x = 110,766.44 × 48,427.69
  4. Step 4: Simplify right side
    80,264.94x = 5,364,162,299.67
  5. Step 5: Solve for x
    x = 5,364,162,299.67/80,264.94
  6. Step 6: Final answer
    x = 66,830.70

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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.