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Finding the Fourth Proportional to 199,200.95, 274,893.61 and 108,557.54

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Solution

The fourth proportional to 199,200.95, 274,893.61 and 108,557.54 is: 149,807.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,200.95 : 274,893.61 = 108,557.54 : x
  2. Step 2: Convert to fraction form
    199,200.95/274,893.61 = 108,557.54/x
  3. Step 3: Cross multiply
    199,200.95x = 274,893.61 × 108,557.54
  4. Step 4: Simplify right side
    199,200.95x = 29,841,774,063.32
  5. Step 5: Solve for x
    x = 29,841,774,063.32/199,200.95
  6. Step 6: Final answer
    x = 149,807.39

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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.