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Finding the Fourth Proportional to 197,969.44, 273,133.56 and 111,920.08

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Solution

The fourth proportional to 197,969.44, 273,133.56 and 111,920.08 is: 154,413.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,969.44 : 273,133.56 = 111,920.08 : x
  2. Step 2: Convert to fraction form
    197,969.44/273,133.56 = 111,920.08/x
  3. Step 3: Cross multiply
    197,969.44x = 273,133.56 × 111,920.08
  4. Step 4: Simplify right side
    197,969.44x = 30,569,129,885.88
  5. Step 5: Solve for x
    x = 30,569,129,885.88/197,969.44
  6. Step 6: Final answer
    x = 154,413.38

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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.