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Finding the Fourth Proportional to 100,338.88, 150,496.02 and 58,241.86

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Solution

The fourth proportional to 100,338.88, 150,496.02 and 58,241.86 is: 87,355.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,338.88 : 150,496.02 = 58,241.86 : x
  2. Step 2: Convert to fraction form
    100,338.88/150,496.02 = 58,241.86/x
  3. Step 3: Cross multiply
    100,338.88x = 150,496.02 × 58,241.86
  4. Step 4: Simplify right side
    100,338.88x = 8,765,168,127.40
  5. Step 5: Solve for x
    x = 8,765,168,127.40/100,338.88
  6. Step 6: Final answer
    x = 87,355.65

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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.