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Finding the Fourth Proportional to 100,676.00, 150,990.66 and 44,485.49

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Solution

The fourth proportional to 100,676.00, 150,990.66 and 44,485.49 is: 66,717.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,676.00 : 150,990.66 = 44,485.49 : x
  2. Step 2: Convert to fraction form
    100,676.00/150,990.66 = 44,485.49/x
  3. Step 3: Cross multiply
    100,676.00x = 150,990.66 × 44,485.49
  4. Step 4: Simplify right side
    100,676.00x = 6,716,892,740.57
  5. Step 5: Solve for x
    x = 6,716,892,740.57/100,676.00
  6. Step 6: Final answer
    x = 66,717.92

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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.