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Finding the Fourth Proportional to 350,102.78, 483,187.88 and 197,170.87

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Solution

The fourth proportional to 350,102.78, 483,187.88 and 197,170.87 is: 272,121.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,102.78 : 483,187.88 = 197,170.87 : x
  2. Step 2: Convert to fraction form
    350,102.78/483,187.88 = 197,170.87/x
  3. Step 3: Cross multiply
    350,102.78x = 483,187.88 × 197,170.87
  4. Step 4: Simplify right side
    350,102.78x = 95,270,571,573.25
  5. Step 5: Solve for x
    x = 95,270,571,573.25/350,102.78
  6. Step 6: Final answer
    x = 272,121.72

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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.