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Finding the Fourth Proportional to 444,106.75, 666,167.01 and 128,564.77

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Solution

The fourth proportional to 444,106.75, 666,167.01 and 128,564.77 is: 192,849.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,106.75 : 666,167.01 = 128,564.77 : x
  2. Step 2: Convert to fraction form
    444,106.75/666,167.01 = 128,564.77/x
  3. Step 3: Cross multiply
    444,106.75x = 666,167.01 × 128,564.77
  4. Step 4: Simplify right side
    444,106.75x = 85,645,608,422.24
  5. Step 5: Solve for x
    x = 85,645,608,422.24/444,106.75
  6. Step 6: Final answer
    x = 192,849.15

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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.