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Finding the Fourth Proportional to 100,333.88, 150,488.52 and 58,236.90

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Solution

The fourth proportional to 100,333.88, 150,488.52 and 58,236.90 is: 87,348.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,333.88 : 150,488.52 = 58,236.90 : x
  2. Step 2: Convert to fraction form
    100,333.88/150,488.52 = 58,236.90/x
  3. Step 3: Cross multiply
    100,333.88x = 150,488.52 × 58,236.90
  4. Step 4: Simplify right side
    100,333.88x = 8,763,984,890.39
  5. Step 5: Solve for x
    x = 8,763,984,890.39/100,333.88
  6. Step 6: Final answer
    x = 87,348.21

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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.