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Finding the Fourth Proportional to 166,909.86, 250,361.90 and 53,057.17

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Solution

The fourth proportional to 166,909.86, 250,361.90 and 53,057.17 is: 79,584.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,909.86 : 250,361.90 = 53,057.17 : x
  2. Step 2: Convert to fraction form
    166,909.86/250,361.90 = 53,057.17/x
  3. Step 3: Cross multiply
    166,909.86x = 250,361.90 × 53,057.17
  4. Step 4: Simplify right side
    166,909.86x = 13,283,492,998.63
  5. Step 5: Solve for x
    x = 13,283,492,998.63/166,909.86
  6. Step 6: Final answer
    x = 79,584.83

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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.