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Finding the Fourth Proportional to 199,690.50, 299,736.22 and 93,147.14

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Solution

The fourth proportional to 199,690.50, 299,736.22 and 93,147.14 is: 139,814.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,690.50 : 299,736.22 = 93,147.14 : x
  2. Step 2: Convert to fraction form
    199,690.50/299,736.22 = 93,147.14/x
  3. Step 3: Cross multiply
    199,690.50x = 299,736.22 × 93,147.14
  4. Step 4: Simplify right side
    199,690.50x = 27,919,571,647.41
  5. Step 5: Solve for x
    x = 27,919,571,647.41/199,690.50
  6. Step 6: Final answer
    x = 139,814.22

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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.