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Finding the Fourth Proportional to 444,117.36, 666,169.86 and 107,155.20

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Solution

The fourth proportional to 444,117.36, 666,169.86 and 107,155.20 is: 160,731.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,117.36 : 666,169.86 = 107,155.20 : x
  2. Step 2: Convert to fraction form
    444,117.36/666,169.86 = 107,155.20/x
  3. Step 3: Cross multiply
    444,117.36x = 666,169.86 × 107,155.20
  4. Step 4: Simplify right side
    444,117.36x = 71,383,564,582.27
  5. Step 5: Solve for x
    x = 71,383,564,582.27/444,117.36
  6. Step 6: Final answer
    x = 160,731.31

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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.