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Finding the Fourth Proportional to 69,894.54, 96,441.62 and 41,223.20

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Solution

The fourth proportional to 69,894.54, 96,441.62 and 41,223.20 is: 56,880.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,894.54 : 96,441.62 = 41,223.20 : x
  2. Step 2: Convert to fraction form
    69,894.54/96,441.62 = 41,223.20/x
  3. Step 3: Cross multiply
    69,894.54x = 96,441.62 × 41,223.20
  4. Step 4: Simplify right side
    69,894.54x = 3,975,631,501.26
  5. Step 5: Solve for x
    x = 3,975,631,501.26/69,894.54
  6. Step 6: Final answer
    x = 56,880.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.