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Finding the Fourth Proportional to 80,311.02, 110,832.06 and 48,473.70

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Solution

The fourth proportional to 80,311.02, 110,832.06 and 48,473.70 is: 66,895.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,311.02 : 110,832.06 = 48,473.70 : x
  2. Step 2: Convert to fraction form
    80,311.02/110,832.06 = 48,473.70/x
  3. Step 3: Cross multiply
    80,311.02x = 110,832.06 × 48,473.70
  4. Step 4: Simplify right side
    80,311.02x = 5,372,440,026.82
  5. Step 5: Solve for x
    x = 5,372,440,026.82/80,311.02
  6. Step 6: Final answer
    x = 66,895.43

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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.