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Finding the Fourth Proportional to 80,410.44, 111,004.50 and 53,597.64

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Solution

The fourth proportional to 80,410.44, 111,004.50 and 53,597.64 is: 73,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,410.44 : 111,004.50 = 53,597.64 : x
  2. Step 2: Convert to fraction form
    80,410.44/111,004.50 = 53,597.64/x
  3. Step 3: Cross multiply
    80,410.44x = 111,004.50 × 53,597.64
  4. Step 4: Simplify right side
    80,410.44x = 5,949,579,229.38
  5. Step 5: Solve for x
    x = 5,949,579,229.38/80,410.44
  6. Step 6: Final answer
    x = 73,990.13

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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.