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Finding the Fourth Proportional to 167,921.16, 251,909.06 and 49,604.44

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Solution

The fourth proportional to 167,921.16, 251,909.06 and 49,604.44 is: 74,414.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,921.16 : 251,909.06 = 49,604.44 : x
  2. Step 2: Convert to fraction form
    167,921.16/251,909.06 = 49,604.44/x
  3. Step 3: Cross multiply
    167,921.16x = 251,909.06 × 49,604.44
  4. Step 4: Simplify right side
    167,921.16x = 12,495,807,852.23
  5. Step 5: Solve for x
    x = 12,495,807,852.23/167,921.16
  6. Step 6: Final answer
    x = 74,414.73

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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.