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Finding the Fourth Proportional to 268,469.85, 370,480.55 and 147,611.01

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Solution

The fourth proportional to 268,469.85, 370,480.55 and 147,611.01 is: 203,698.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,469.85 : 370,480.55 = 147,611.01 : x
  2. Step 2: Convert to fraction form
    268,469.85/370,480.55 = 147,611.01/x
  3. Step 3: Cross multiply
    268,469.85x = 370,480.55 × 147,611.01
  4. Step 4: Simplify right side
    268,469.85x = 54,687,006,687.48
  5. Step 5: Solve for x
    x = 54,687,006,687.48/268,469.85
  6. Step 6: Final answer
    x = 203,698.88

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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.