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Finding the Fourth Proportional to 239,538, 359,202.68 and 68,722.02

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Solution

The fourth proportional to 239,538, 359,202.68 and 68,722.02 is: 103,053.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,538 : 359,202.68 = 68,722.02 : x
  2. Step 2: Convert to fraction form
    239,538/359,202.68 = 68,722.02/x
  3. Step 3: Cross multiply
    239,538x = 359,202.68 × 68,722.02
  4. Step 4: Simplify right side
    239,538x = 24,685,133,759.01
  5. Step 5: Solve for x
    x = 24,685,133,759.01/239,538
  6. Step 6: Final answer
    x = 103,053.10

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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.