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Finding the Fourth Proportional to 199,203.50, 274,893.95 and 108,557.62

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Solution

The fourth proportional to 199,203.50, 274,893.95 and 108,557.62 is: 149,805.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,203.50 : 274,893.95 = 108,557.62 : x
  2. Step 2: Convert to fraction form
    199,203.50/274,893.95 = 108,557.62/x
  3. Step 3: Cross multiply
    199,203.50x = 274,893.95 × 108,557.62
  4. Step 4: Simplify right side
    199,203.50x = 29,841,832,548.56
  5. Step 5: Solve for x
    x = 29,841,832,548.56/199,203.50
  6. Step 6: Final answer
    x = 149,805.76

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1.5x scale

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.