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Finding the Fourth Proportional to 200,535.48, 300,797.55 and 67,423.32

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Solution

The fourth proportional to 200,535.48, 300,797.55 and 67,423.32 is: 101,133.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,535.48 : 300,797.55 = 67,423.32 : x
  2. Step 2: Convert to fraction form
    200,535.48/300,797.55 = 67,423.32/x
  3. Step 3: Cross multiply
    200,535.48x = 300,797.55 × 67,423.32
  4. Step 4: Simplify right side
    200,535.48x = 20,280,769,468.87
  5. Step 5: Solve for x
    x = 20,280,769,468.87/200,535.48
  6. Step 6: Final answer
    x = 101,133.07

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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.