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Finding the Fourth Proportional to 80,149.98, 120,252.60 and 35,807.34

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Solution

The fourth proportional to 80,149.98, 120,252.60 and 35,807.34 is: 53,723.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,149.98 : 120,252.60 = 35,807.34 : x
  2. Step 2: Convert to fraction form
    80,149.98/120,252.60 = 35,807.34/x
  3. Step 3: Cross multiply
    80,149.98x = 120,252.60 × 35,807.34
  4. Step 4: Simplify right side
    80,149.98x = 4,305,925,734.08
  5. Step 5: Solve for x
    x = 4,305,925,734.08/80,149.98
  6. Step 6: Final answer
    x = 53,723.35

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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.