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Finding the Fourth Proportional to 200,086.04, 300,097.74 and 66,965.24

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Solution

The fourth proportional to 200,086.04, 300,097.74 and 66,965.24 is: 100,437.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,086.04 : 300,097.74 = 66,965.24 : x
  2. Step 2: Convert to fraction form
    200,086.04/300,097.74 = 66,965.24/x
  3. Step 3: Cross multiply
    200,086.04x = 300,097.74 × 66,965.24
  4. Step 4: Simplify right side
    200,086.04x = 20,096,118,183.92
  5. Step 5: Solve for x
    x = 20,096,118,183.92/200,086.04
  6. Step 6: Final answer
    x = 100,437.38

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1.5x scale

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.