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Finding the Fourth Proportional to 140,499.94, 193,892.13 and 80,069.26

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Solution

The fourth proportional to 140,499.94, 193,892.13 and 80,069.26 is: 110,496.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,499.94 : 193,892.13 = 80,069.26 : x
  2. Step 2: Convert to fraction form
    140,499.94/193,892.13 = 80,069.26/x
  3. Step 3: Cross multiply
    140,499.94x = 193,892.13 × 80,069.26
  4. Step 4: Simplify right side
    140,499.94x = 15,524,799,247.74
  5. Step 5: Solve for x
    x = 15,524,799,247.74/140,499.94
  6. Step 6: Final answer
    x = 110,496.84

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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.