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Finding the Fourth Proportional to 347,682.20, 521,523.30 and 111,032.60

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Solution

The fourth proportional to 347,682.20, 521,523.30 and 111,032.60 is: 166,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,682.20 : 521,523.30 = 111,032.60 : x
  2. Step 2: Convert to fraction form
    347,682.20/521,523.30 = 111,032.60/x
  3. Step 3: Cross multiply
    347,682.20x = 521,523.30 × 111,032.60
  4. Step 4: Simplify right side
    347,682.20x = 57,906,087,959.58
  5. Step 5: Solve for x
    x = 57,906,087,959.58/347,682.20
  6. Step 6: Final answer
    x = 166,548.90

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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.