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Finding the Fourth Proportional to 100,563.27, 150,900.30 and 61,148.06

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Solution

The fourth proportional to 100,563.27, 150,900.30 and 61,148.06 is: 91,755.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,563.27 : 150,900.30 = 61,148.06 : x
  2. Step 2: Convert to fraction form
    100,563.27/150,900.30 = 61,148.06/x
  3. Step 3: Cross multiply
    100,563.27x = 150,900.30 × 61,148.06
  4. Step 4: Simplify right side
    100,563.27x = 9,227,259,843.92
  5. Step 5: Solve for x
    x = 9,227,259,843.92/100,563.27
  6. Step 6: Final answer
    x = 91,755.77

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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.