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Finding the Fourth Proportional to 69,859.96, 104,627.94 and 40,204.24

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Solution

The fourth proportional to 69,859.96, 104,627.94 and 40,204.24 is: 60,213.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,859.96 : 104,627.94 = 40,204.24 : x
  2. Step 2: Convert to fraction form
    69,859.96/104,627.94 = 40,204.24/x
  3. Step 3: Cross multiply
    69,859.96x = 104,627.94 × 40,204.24
  4. Step 4: Simplify right side
    69,859.96x = 4,206,486,810.47
  5. Step 5: Solve for x
    x = 4,206,486,810.47/69,859.96
  6. Step 6: Final answer
    x = 60,213.13

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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.