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Finding the Fourth Proportional to 80,468.99, 111,047.41 and 44,170.72

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Solution

The fourth proportional to 80,468.99, 111,047.41 and 44,170.72 is: 60,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,468.99 : 111,047.41 = 44,170.72 : x
  2. Step 2: Convert to fraction form
    80,468.99/111,047.41 = 44,170.72/x
  3. Step 3: Cross multiply
    80,468.99x = 111,047.41 × 44,170.72
  4. Step 4: Simplify right side
    80,468.99x = 4,905,043,582.97
  5. Step 5: Solve for x
    x = 4,905,043,582.97/80,468.99
  6. Step 6: Final answer
    x = 60,955.70

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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.