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Finding the Fourth Proportional to 200,168.99, 300,264.42 and 67,037.19

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Solution

The fourth proportional to 200,168.99, 300,264.42 and 67,037.19 is: 100,559.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,168.99 : 300,264.42 = 67,037.19 : x
  2. Step 2: Convert to fraction form
    200,168.99/300,264.42 = 67,037.19/x
  3. Step 3: Cross multiply
    200,168.99x = 300,264.42 × 67,037.19
  4. Step 4: Simplify right side
    200,168.99x = 20,128,882,973.78
  5. Step 5: Solve for x
    x = 20,128,882,973.78/200,168.99
  6. Step 6: Final answer
    x = 100,559.45

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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.