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Finding the Fourth Proportional to 140,489.73, 210,548.70 and 73,793.52

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Solution

The fourth proportional to 140,489.73, 210,548.70 and 73,793.52 is: 110,592.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,489.73 : 210,548.70 = 73,793.52 : x
  2. Step 2: Convert to fraction form
    140,489.73/210,548.70 = 73,793.52/x
  3. Step 3: Cross multiply
    140,489.73x = 210,548.70 × 73,793.52
  4. Step 4: Simplify right side
    140,489.73x = 15,537,129,704.42
  5. Step 5: Solve for x
    x = 15,537,129,704.42/140,489.73
  6. Step 6: Final answer
    x = 110,592.64

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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.