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Finding the Fourth Proportional to 110,692.70, 166,161.97 and 57,370.40

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Solution

The fourth proportional to 110,692.70, 166,161.97 and 57,370.40 is: 86,119.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,692.70 : 166,161.97 = 57,370.40 : x
  2. Step 2: Convert to fraction form
    110,692.70/166,161.97 = 57,370.40/x
  3. Step 3: Cross multiply
    110,692.70x = 166,161.97 × 57,370.40
  4. Step 4: Simplify right side
    110,692.70x = 9,532,778,683.69
  5. Step 5: Solve for x
    x = 9,532,778,683.69/110,692.70
  6. Step 6: Final answer
    x = 86,119.31

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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.