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Finding the Fourth Proportional to 503,940.33, 755,901.18 and 124,861.98

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Solution

The fourth proportional to 503,940.33, 755,901.18 and 124,861.98 is: 187,290.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,940.33 : 755,901.18 = 124,861.98 : x
  2. Step 2: Convert to fraction form
    503,940.33/755,901.18 = 124,861.98/x
  3. Step 3: Cross multiply
    503,940.33x = 755,901.18 × 124,861.98
  4. Step 4: Simplify right side
    503,940.33x = 94,383,318,991.18
  5. Step 5: Solve for x
    x = 94,383,318,991.18/503,940.33
  6. Step 6: Final answer
    x = 187,290.66

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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.