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Finding the Fourth Proportional to 200,183.81, 276,245.41 and 119,655.74

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Solution

The fourth proportional to 200,183.81, 276,245.41 and 119,655.74 is: 165,119.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,183.81 : 276,245.41 = 119,655.74 : x
  2. Step 2: Convert to fraction form
    200,183.81/276,245.41 = 119,655.74/x
  3. Step 3: Cross multiply
    200,183.81x = 276,245.41 × 119,655.74
  4. Step 4: Simplify right side
    200,183.81x = 33,054,346,975.65
  5. Step 5: Solve for x
    x = 33,054,346,975.65/200,183.81
  6. Step 6: Final answer
    x = 165,119.98

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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.