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Finding the Fourth Proportional to 199,795.69, 275,718.05 and 110,371.69

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Solution

The fourth proportional to 199,795.69, 275,718.05 and 110,371.69 is: 152,312.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,795.69 : 275,718.05 = 110,371.69 : x
  2. Step 2: Convert to fraction form
    199,795.69/275,718.05 = 110,371.69/x
  3. Step 3: Cross multiply
    199,795.69x = 275,718.05 × 110,371.69
  4. Step 4: Simplify right side
    199,795.69x = 30,431,467,142.00
  5. Step 5: Solve for x
    x = 30,431,467,142.00/199,795.69
  6. Step 6: Final answer
    x = 152,312.93

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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.