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Finding the Fourth Proportional to 140,958.43, 211,438.35 and 35,777.43

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Solution

The fourth proportional to 140,958.43, 211,438.35 and 35,777.43 is: 53,666.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,958.43 : 211,438.35 = 35,777.43 : x
  2. Step 2: Convert to fraction form
    140,958.43/211,438.35 = 35,777.43/x
  3. Step 3: Cross multiply
    140,958.43x = 211,438.35 × 35,777.43
  4. Step 4: Simplify right side
    140,958.43x = 7,564,720,766.44
  5. Step 5: Solve for x
    x = 7,564,720,766.44/140,958.43
  6. Step 6: Final answer
    x = 53,666.32

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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.