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Finding the Fourth Proportional to 80,309.52, 110,830.02 and 48,472.20

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Solution

The fourth proportional to 80,309.52, 110,830.02 and 48,472.20 is: 66,893.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,309.52 : 110,830.02 = 48,472.20 : x
  2. Step 2: Convert to fraction form
    80,309.52/110,830.02 = 48,472.20/x
  3. Step 3: Cross multiply
    80,309.52x = 110,830.02 × 48,472.20
  4. Step 4: Simplify right side
    80,309.52x = 5,372,174,895.44
  5. Step 5: Solve for x
    x = 5,372,174,895.44/80,309.52
  6. Step 6: Final answer
    x = 66,893.38

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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.