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Finding the Fourth Proportional to 199,850.78, 275,916.42 and 190,259.97

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Solution

The fourth proportional to 199,850.78, 275,916.42 and 190,259.97 is: 262,675.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,850.78 : 275,916.42 = 190,259.97 : x
  2. Step 2: Convert to fraction form
    199,850.78/275,916.42 = 190,259.97/x
  3. Step 3: Cross multiply
    199,850.78x = 275,916.42 × 190,259.97
  4. Step 4: Simplify right side
    199,850.78x = 52,495,849,791.71
  5. Step 5: Solve for x
    x = 52,495,849,791.71/199,850.78
  6. Step 6: Final answer
    x = 262,675.24

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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.