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Finding the Fourth Proportional to 92,144.01, 138,161.48 and 35,918.48

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Solution

The fourth proportional to 92,144.01, 138,161.48 and 35,918.48 is: 53,856.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,144.01 : 138,161.48 = 35,918.48 : x
  2. Step 2: Convert to fraction form
    92,144.01/138,161.48 = 35,918.48/x
  3. Step 3: Cross multiply
    92,144.01x = 138,161.48 × 35,918.48
  4. Step 4: Simplify right side
    92,144.01x = 4,962,550,176.56
  5. Step 5: Solve for x
    x = 4,962,550,176.56/92,144.01
  6. Step 6: Final answer
    x = 53,856.46

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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.