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Finding the Fourth Proportional to 239,835.62, 359,563.62 and 90,059.22

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Solution

The fourth proportional to 239,835.62, 359,563.62 and 90,059.22 is: 135,017.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,835.62 : 359,563.62 = 90,059.22 : x
  2. Step 2: Convert to fraction form
    239,835.62/359,563.62 = 90,059.22/x
  3. Step 3: Cross multiply
    239,835.62x = 359,563.62 × 90,059.22
  4. Step 4: Simplify right side
    239,835.62x = 32,382,019,157.58
  5. Step 5: Solve for x
    x = 32,382,019,157.58/239,835.62
  6. Step 6: Final answer
    x = 135,017.56

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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.