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Finding the Fourth Proportional to 100,578.42, 150,887.10 and 34,029.41

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Solution

The fourth proportional to 100,578.42, 150,887.10 and 34,029.41 is: 51,050.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,578.42 : 150,887.10 = 34,029.41 : x
  2. Step 2: Convert to fraction form
    100,578.42/150,887.10 = 34,029.41/x
  3. Step 3: Cross multiply
    100,578.42x = 150,887.10 × 34,029.41
  4. Step 4: Simplify right side
    100,578.42x = 5,134,598,235.18
  5. Step 5: Solve for x
    x = 5,134,598,235.18/100,578.42
  6. Step 6: Final answer
    x = 51,050.69

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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.