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Finding the Fourth Proportional to 81,604.44, 112,616.16 and 45,797.30

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Solution

The fourth proportional to 81,604.44, 112,616.16 and 45,797.30 is: 63,201.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,604.44 : 112,616.16 = 45,797.30 : x
  2. Step 2: Convert to fraction form
    81,604.44/112,616.16 = 45,797.30/x
  3. Step 3: Cross multiply
    81,604.44x = 112,616.16 × 45,797.30
  4. Step 4: Simplify right side
    81,604.44x = 5,157,516,064.37
  5. Step 5: Solve for x
    x = 5,157,516,064.37/81,604.44
  6. Step 6: Final answer
    x = 63,201.41

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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.