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Finding the Fourth Proportional to 69,662.54, 96,163.74 and 47,032.19

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Solution

The fourth proportional to 69,662.54, 96,163.74 and 47,032.19 is: 64,924.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,662.54 : 96,163.74 = 47,032.19 : x
  2. Step 2: Convert to fraction form
    69,662.54/96,163.74 = 47,032.19/x
  3. Step 3: Cross multiply
    69,662.54x = 96,163.74 × 47,032.19
  4. Step 4: Simplify right side
    69,662.54x = 4,522,791,290.79
  5. Step 5: Solve for x
    x = 4,522,791,290.79/69,662.54
  6. Step 6: Final answer
    x = 64,924.29

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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.