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Finding the Fourth Proportional to 198,303.92, 273,581.56 and 113,375.44

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Solution

The fourth proportional to 198,303.92, 273,581.56 and 113,375.44 is: 156,413.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,303.92 : 273,581.56 = 113,375.44 : x
  2. Step 2: Convert to fraction form
    198,303.92/273,581.56 = 113,375.44/x
  3. Step 3: Cross multiply
    198,303.92x = 273,581.56 × 113,375.44
  4. Step 4: Simplify right side
    198,303.92x = 31,017,429,740.89
  5. Step 5: Solve for x
    x = 31,017,429,740.89/198,303.92
  6. Step 6: Final answer
    x = 156,413.60

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1.5x scale

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.