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Finding the Fourth Proportional to 73,393.40, 110,089.89 and 20,803.34

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Solution

The fourth proportional to 73,393.40, 110,089.89 and 20,803.34 is: 31,204.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,393.40 : 110,089.89 = 20,803.34 : x
  2. Step 2: Convert to fraction form
    73,393.40/110,089.89 = 20,803.34/x
  3. Step 3: Cross multiply
    73,393.40x = 110,089.89 × 20,803.34
  4. Step 4: Simplify right side
    73,393.40x = 2,290,236,861.78
  5. Step 5: Solve for x
    x = 2,290,236,861.78/73,393.40
  6. Step 6: Final answer
    x = 31,204.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.