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Finding the Fourth Proportional to 101,638.36, 152,481.77 and 35,079.07

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Solution

The fourth proportional to 101,638.36, 152,481.77 and 35,079.07 is: 52,626.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,638.36 : 152,481.77 = 35,079.07 : x
  2. Step 2: Convert to fraction form
    101,638.36/152,481.77 = 35,079.07/x
  3. Step 3: Cross multiply
    101,638.36x = 152,481.77 × 35,079.07
  4. Step 4: Simplify right side
    101,638.36x = 5,348,918,683.55
  5. Step 5: Solve for x
    x = 5,348,918,683.55/101,638.36
  6. Step 6: Final answer
    x = 52,626.97

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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.