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Finding the Fourth Proportional to 198,758.60, 298,152.30 and 119,702.60

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Solution

The fourth proportional to 198,758.60, 298,152.30 and 119,702.60 is: 179,562.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,758.60 : 298,152.30 = 119,702.60 : x
  2. Step 2: Convert to fraction form
    198,758.60/298,152.30 = 119,702.60/x
  3. Step 3: Cross multiply
    198,758.60x = 298,152.30 × 119,702.60
  4. Step 4: Simplify right side
    198,758.60x = 35,689,605,505.98
  5. Step 5: Solve for x
    x = 35,689,605,505.98/198,758.60
  6. Step 6: Final answer
    x = 179,562.57

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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.