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Finding the Fourth Proportional to 56,136.88, 84,265.98 and 49,936.60

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Solution

The fourth proportional to 56,136.88, 84,265.98 and 49,936.60 is: 74,958.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,136.88 : 84,265.98 = 49,936.60 : x
  2. Step 2: Convert to fraction form
    56,136.88/84,265.98 = 49,936.60/x
  3. Step 3: Cross multiply
    56,136.88x = 84,265.98 × 49,936.60
  4. Step 4: Simplify right side
    56,136.88x = 4,207,956,326.20
  5. Step 5: Solve for x
    x = 4,207,956,326.20/56,136.88
  6. Step 6: Final answer
    x = 74,958.86

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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.