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Finding the Fourth Proportional to 198,614.60, 273,824.80 and 164,497.40

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Solution

The fourth proportional to 198,614.60, 273,824.80 and 164,497.40 is: 226,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,614.60 : 273,824.80 = 164,497.40 : x
  2. Step 2: Convert to fraction form
    198,614.60/273,824.80 = 164,497.40/x
  3. Step 3: Cross multiply
    198,614.60x = 273,824.80 × 164,497.40
  4. Step 4: Simplify right side
    198,614.60x = 45,043,467,655.52
  5. Step 5: Solve for x
    x = 45,043,467,655.52/198,614.60
  6. Step 6: Final answer
    x = 226,788.30

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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.