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Finding the Fourth Proportional to 143,587.69, 215,479.95 and 50,093.44

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Solution

The fourth proportional to 143,587.69, 215,479.95 and 50,093.44 is: 75,174.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,587.69 : 215,479.95 = 50,093.44 : x
  2. Step 2: Convert to fraction form
    143,587.69/215,479.95 = 50,093.44/x
  3. Step 3: Cross multiply
    143,587.69x = 215,479.95 × 50,093.44
  4. Step 4: Simplify right side
    143,587.69x = 10,794,131,219.98
  5. Step 5: Solve for x
    x = 10,794,131,219.98/143,587.69
  6. Step 6: Final answer
    x = 75,174.49

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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.