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Finding the Fourth Proportional to 266,472.50, 367,727.58 and 145,611

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Solution

The fourth proportional to 266,472.50, 367,727.58 and 145,611 is: 200,940.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,472.50 : 367,727.58 = 145,611 : x
  2. Step 2: Convert to fraction form
    266,472.50/367,727.58 = 145,611/x
  3. Step 3: Cross multiply
    266,472.50x = 367,727.58 × 145,611
  4. Step 4: Simplify right side
    266,472.50x = 53,545,180,651.38
  5. Step 5: Solve for x
    x = 53,545,180,651.38/266,472.50
  6. Step 6: Final answer
    x = 200,940.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.