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Finding the Fourth Proportional to 80,192.58, 110,669.76 and 48,371.64

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Solution

The fourth proportional to 80,192.58, 110,669.76 and 48,371.64 is: 66,755.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,192.58 : 110,669.76 = 48,371.64 : x
  2. Step 2: Convert to fraction form
    80,192.58/110,669.76 = 48,371.64/x
  3. Step 3: Cross multiply
    80,192.58x = 110,669.76 × 48,371.64
  4. Step 4: Simplify right side
    80,192.58x = 5,353,277,789.61
  5. Step 5: Solve for x
    x = 5,353,277,789.61/80,192.58
  6. Step 6: Final answer
    x = 66,755.28

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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.