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Finding the Fourth Proportional to 80,325.27, 120,520.95 and 35,323.47

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Solution

The fourth proportional to 80,325.27, 120,520.95 and 35,323.47 is: 52,999.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,325.27 : 120,520.95 = 35,323.47 : x
  2. Step 2: Convert to fraction form
    80,325.27/120,520.95 = 35,323.47/x
  3. Step 3: Cross multiply
    80,325.27x = 120,520.95 × 35,323.47
  4. Step 4: Simplify right side
    80,325.27x = 4,257,218,029.23
  5. Step 5: Solve for x
    x = 4,257,218,029.23/80,325.27
  6. Step 6: Final answer
    x = 52,999.74

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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.