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Finding the Fourth Proportional to 198,367.72, 273,831.25 and 133,924.25

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Solution

The fourth proportional to 198,367.72, 273,831.25 and 133,924.25 is: 184,872.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,367.72 : 273,831.25 = 133,924.25 : x
  2. Step 2: Convert to fraction form
    198,367.72/273,831.25 = 133,924.25/x
  3. Step 3: Cross multiply
    198,367.72x = 273,831.25 × 133,924.25
  4. Step 4: Simplify right side
    198,367.72x = 36,672,643,644.54
  5. Step 5: Solve for x
    x = 36,672,643,644.54/198,367.72
  6. Step 6: Final answer
    x = 184,872.03

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1.5x scale

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.