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Finding the Fourth Proportional to 150,006.89, 225,010.56 and 61,260.41

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Solution

The fourth proportional to 150,006.89, 225,010.56 and 61,260.41 is: 91,890.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,006.89 : 225,010.56 = 61,260.41 : x
  2. Step 2: Convert to fraction form
    150,006.89/225,010.56 = 61,260.41/x
  3. Step 3: Cross multiply
    150,006.89x = 225,010.56 × 61,260.41
  4. Step 4: Simplify right side
    150,006.89x = 13,784,239,159.93
  5. Step 5: Solve for x
    x = 13,784,239,159.93/150,006.89
  6. Step 6: Final answer
    x = 91,890.71

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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.