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Finding the Fourth Proportional to 198,240.94, 273,371.41 and 169,655.48

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Solution

The fourth proportional to 198,240.94, 273,371.41 and 169,655.48 is: 233,952.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,240.94 : 273,371.41 = 169,655.48 : x
  2. Step 2: Convert to fraction form
    198,240.94/273,371.41 = 169,655.48/x
  3. Step 3: Cross multiply
    198,240.94x = 273,371.41 × 169,655.48
  4. Step 4: Simplify right side
    198,240.94x = 46,378,956,697.87
  5. Step 5: Solve for x
    x = 46,378,956,697.87/198,240.94
  6. Step 6: Final answer
    x = 233,952.47

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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.