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Finding the Fourth Proportional to 150,699.69, 226,049.40 and 61,890.75

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Solution

The fourth proportional to 150,699.69, 226,049.40 and 61,890.75 is: 92,836.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,699.69 : 226,049.40 = 61,890.75 : x
  2. Step 2: Convert to fraction form
    150,699.69/226,049.40 = 61,890.75/x
  3. Step 3: Cross multiply
    150,699.69x = 226,049.40 × 61,890.75
  4. Step 4: Simplify right side
    150,699.69x = 13,990,366,903.05
  5. Step 5: Solve for x
    x = 13,990,366,903.05/150,699.69
  6. Step 6: Final answer
    x = 92,836.07

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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.