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Finding the Fourth Proportional to 239,984.08, 360,053.88 and 82,213.90

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Solution

The fourth proportional to 239,984.08, 360,053.88 and 82,213.90 is: 123,347.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,984.08 : 360,053.88 = 82,213.90 : x
  2. Step 2: Convert to fraction form
    239,984.08/360,053.88 = 82,213.90/x
  3. Step 3: Cross multiply
    239,984.08x = 360,053.88 × 82,213.90
  4. Step 4: Simplify right side
    239,984.08x = 29,601,433,684.93
  5. Step 5: Solve for x
    x = 29,601,433,684.93/239,984.08
  6. Step 6: Final answer
    x = 123,347.49

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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.