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Finding the Fourth Proportional to 269,684.82, 372,173.98 and 147,183.90

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Solution

The fourth proportional to 269,684.82, 372,173.98 and 147,183.90 is: 203,118.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,684.82 : 372,173.98 = 147,183.90 : x
  2. Step 2: Convert to fraction form
    269,684.82/372,173.98 = 147,183.90/x
  3. Step 3: Cross multiply
    269,684.82x = 372,173.98 × 147,183.90
  4. Step 4: Simplify right side
    269,684.82x = 54,778,015,258.13
  5. Step 5: Solve for x
    x = 54,778,015,258.13/269,684.82
  6. Step 6: Final answer
    x = 203,118.65

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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.