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Finding the Fourth Proportional to 80,390.62, 110,937.32 and 46,396.44

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Solution

The fourth proportional to 80,390.62, 110,937.32 and 46,396.44 is: 64,026.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,390.62 : 110,937.32 = 46,396.44 : x
  2. Step 2: Convert to fraction form
    80,390.62/110,937.32 = 46,396.44/x
  3. Step 3: Cross multiply
    80,390.62x = 110,937.32 × 46,396.44
  4. Step 4: Simplify right side
    80,390.62x = 5,147,096,711.14
  5. Step 5: Solve for x
    x = 5,147,096,711.14/80,390.62
  6. Step 6: Final answer
    x = 64,026.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.