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Finding the Fourth Proportional to 248,831.80, 373,247.70 and 136,468.60

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Solution

The fourth proportional to 248,831.80, 373,247.70 and 136,468.60 is: 204,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,831.80 : 373,247.70 = 136,468.60 : x
  2. Step 2: Convert to fraction form
    248,831.80/373,247.70 = 136,468.60/x
  3. Step 3: Cross multiply
    248,831.80x = 373,247.70 × 136,468.60
  4. Step 4: Simplify right side
    248,831.80x = 50,936,591,072.22
  5. Step 5: Solve for x
    x = 50,936,591,072.22/248,831.80
  6. Step 6: Final answer
    x = 204,702.90

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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.