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Finding the Fourth Proportional to 198,695.92, 298,044.04 and 48,939.28

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Solution

The fourth proportional to 198,695.92, 298,044.04 and 48,939.28 is: 73,408.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,695.92 : 298,044.04 = 48,939.28 : x
  2. Step 2: Convert to fraction form
    198,695.92/298,044.04 = 48,939.28/x
  3. Step 3: Cross multiply
    198,695.92x = 298,044.04 × 48,939.28
  4. Step 4: Simplify right side
    198,695.92x = 14,586,060,725.89
  5. Step 5: Solve for x
    x = 14,586,060,725.89/198,695.92
  6. Step 6: Final answer
    x = 73,408.96

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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.