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Finding the Fourth Proportional to 110,105.05, 165,161.00 and 52,389.65

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Solution

The fourth proportional to 110,105.05, 165,161.00 and 52,389.65 is: 78,586.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,105.05 : 165,161.00 = 52,389.65 : x
  2. Step 2: Convert to fraction form
    110,105.05/165,161.00 = 52,389.65/x
  3. Step 3: Cross multiply
    110,105.05x = 165,161.00 × 52,389.65
  4. Step 4: Simplify right side
    110,105.05x = 8,652,725,895.90
  5. Step 5: Solve for x
    x = 8,652,725,895.90/110,105.05
  6. Step 6: Final answer
    x = 78,586.10

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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.