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Finding the Fourth Proportional to 136,179.90, 204,399.45 and 116,480.70

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Solution

The fourth proportional to 136,179.90, 204,399.45 and 116,480.70 is: 174,831.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,179.90 : 204,399.45 = 116,480.70 : x
  2. Step 2: Convert to fraction form
    136,179.90/204,399.45 = 116,480.70/x
  3. Step 3: Cross multiply
    136,179.90x = 204,399.45 × 116,480.70
  4. Step 4: Simplify right side
    136,179.90x = 23,808,591,015.62
  5. Step 5: Solve for x
    x = 23,808,591,015.62/136,179.90
  6. Step 6: Final answer
    x = 174,831.90

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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.