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Finding the Fourth Proportional to 80,653.27, 120,730.20 and 73,764.22

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Solution

The fourth proportional to 80,653.27, 120,730.20 and 73,764.22 is: 110,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,653.27 : 120,730.20 = 73,764.22 : x
  2. Step 2: Convert to fraction form
    80,653.27/120,730.20 = 73,764.22/x
  3. Step 3: Cross multiply
    80,653.27x = 120,730.20 × 73,764.22
  4. Step 4: Simplify right side
    80,653.27x = 8,905,569,033.44
  5. Step 5: Solve for x
    x = 8,905,569,033.44/80,653.27
  6. Step 6: Final answer
    x = 110,417.95

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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.