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Finding the Fourth Proportional to 80,035.02, 120,060.90 and 27,448.74

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Solution

The fourth proportional to 80,035.02, 120,060.90 and 27,448.74 is: 41,175.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,035.02 : 120,060.90 = 27,448.74 : x
  2. Step 2: Convert to fraction form
    80,035.02/120,060.90 = 27,448.74/x
  3. Step 3: Cross multiply
    80,035.02x = 120,060.90 × 27,448.74
  4. Step 4: Simplify right side
    80,035.02x = 3,295,520,428.27
  5. Step 5: Solve for x
    x = 3,295,520,428.27/80,035.02
  6. Step 6: Final answer
    x = 41,175.98

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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.