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Finding the Fourth Proportional to 197,999.87, 273,238.16 and 111,975.75

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Solution

The fourth proportional to 197,999.87, 273,238.16 and 111,975.75 is: 154,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,999.87 : 273,238.16 = 111,975.75 : x
  2. Step 2: Convert to fraction form
    197,999.87/273,238.16 = 111,975.75/x
  3. Step 3: Cross multiply
    197,999.87x = 273,238.16 × 111,975.75
  4. Step 4: Simplify right side
    197,999.87x = 30,596,047,334.74
  5. Step 5: Solve for x
    x = 30,596,047,334.74/197,999.87
  6. Step 6: Final answer
    x = 154,525.60

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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.