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Finding the Fourth Proportional to 200,764.37, 301,191.11 and 60,512.87

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Solution

The fourth proportional to 200,764.37, 301,191.11 and 60,512.87 is: 90,782.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,764.37 : 301,191.11 = 60,512.87 : x
  2. Step 2: Convert to fraction form
    200,764.37/301,191.11 = 60,512.87/x
  3. Step 3: Cross multiply
    200,764.37x = 301,191.11 × 60,512.87
  4. Step 4: Simplify right side
    200,764.37x = 18,225,939,161.92
  5. Step 5: Solve for x
    x = 18,225,939,161.92/200,764.37
  6. Step 6: Final answer
    x = 90,782.74

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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.