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Finding the Fourth Proportional to 80,809.44, 111,509.64 and 59,600.40

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Solution

The fourth proportional to 80,809.44, 111,509.64 and 59,600.40 is: 82,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,809.44 : 111,509.64 = 59,600.40 : x
  2. Step 2: Convert to fraction form
    80,809.44/111,509.64 = 59,600.40/x
  3. Step 3: Cross multiply
    80,809.44x = 111,509.64 × 59,600.40
  4. Step 4: Simplify right side
    80,809.44x = 6,646,019,147.86
  5. Step 5: Solve for x
    x = 6,646,019,147.86/80,809.44
  6. Step 6: Final answer
    x = 82,243.10

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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.