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Finding the Fourth Proportional to 167,268, 250,852.79 and 48,911.21

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Solution

The fourth proportional to 167,268, 250,852.79 and 48,911.21 is: 73,352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,268 : 250,852.79 = 48,911.21 : x
  2. Step 2: Convert to fraction form
    167,268/250,852.79 = 48,911.21/x
  3. Step 3: Cross multiply
    167,268x = 250,852.79 × 48,911.21
  4. Step 4: Simplify right side
    167,268x = 12,269,512,358.79
  5. Step 5: Solve for x
    x = 12,269,512,358.79/167,268
  6. Step 6: Final answer
    x = 73,352.42

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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.