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Finding the Fourth Proportional to 198,671.79, 298,018.02 and 65,562.44

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Solution

The fourth proportional to 198,671.79, 298,018.02 and 65,562.44 is: 98,347.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,671.79 : 298,018.02 = 65,562.44 : x
  2. Step 2: Convert to fraction form
    198,671.79/298,018.02 = 65,562.44/x
  3. Step 3: Cross multiply
    198,671.79x = 298,018.02 × 65,562.44
  4. Step 4: Simplify right side
    198,671.79x = 19,538,787,310.94
  5. Step 5: Solve for x
    x = 19,538,787,310.94/198,671.79
  6. Step 6: Final answer
    x = 98,347.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.