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Finding the Fourth Proportional to 107,201.22, 160,786.89 and 75,083.01

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Solution

The fourth proportional to 107,201.22, 160,786.89 and 75,083.01 is: 112,614.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,201.22 : 160,786.89 = 75,083.01 : x
  2. Step 2: Convert to fraction form
    107,201.22/160,786.89 = 75,083.01/x
  3. Step 3: Cross multiply
    107,201.22x = 160,786.89 × 75,083.01
  4. Step 4: Simplify right side
    107,201.22x = 12,072,363,669.74
  5. Step 5: Solve for x
    x = 12,072,363,669.74/107,201.22
  6. Step 6: Final answer
    x = 112,614.05

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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.