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Finding the Fourth Proportional to 199,203.44, 274,892.72 and 108,557.44

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Solution

The fourth proportional to 199,203.44, 274,892.72 and 108,557.44 is: 149,804.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,203.44 : 274,892.72 = 108,557.44 : x
  2. Step 2: Convert to fraction form
    199,203.44/274,892.72 = 108,557.44/x
  3. Step 3: Cross multiply
    199,203.44x = 274,892.72 × 108,557.44
  4. Step 4: Simplify right side
    199,203.44x = 29,841,648,727.82
  5. Step 5: Solve for x
    x = 29,841,648,727.82/199,203.44
  6. Step 6: Final answer
    x = 149,804.89

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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.