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Finding the Fourth Proportional to 199,300.64, 274,879.37 and 127,687.37

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Solution

The fourth proportional to 199,300.64, 274,879.37 and 127,687.37 is: 176,108.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,300.64 : 274,879.37 = 127,687.37 : x
  2. Step 2: Convert to fraction form
    199,300.64/274,879.37 = 127,687.37/x
  3. Step 3: Cross multiply
    199,300.64x = 274,879.37 × 127,687.37
  4. Step 4: Simplify right side
    199,300.64x = 35,098,623,184.12
  5. Step 5: Solve for x
    x = 35,098,623,184.12/199,300.64
  6. Step 6: Final answer
    x = 176,108.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.