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Finding the Fourth Proportional to 444,951.16, 667,419.68 and 107,994.60

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Solution

The fourth proportional to 444,951.16, 667,419.68 and 107,994.60 is: 161,990.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,951.16 : 667,419.68 = 107,994.60 : x
  2. Step 2: Convert to fraction form
    444,951.16/667,419.68 = 107,994.60/x
  3. Step 3: Cross multiply
    444,951.16x = 667,419.68 × 107,994.60
  4. Step 4: Simplify right side
    444,951.16x = 72,077,721,643.71
  5. Step 5: Solve for x
    x = 72,077,721,643.71/444,951.16
  6. Step 6: Final answer
    x = 161,990.19

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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.