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Finding the Fourth Proportional to 200,182.68, 300,230.28 and 67,081.86

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Solution

The fourth proportional to 200,182.68, 300,230.28 and 67,081.86 is: 100,608.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,182.68 : 300,230.28 = 67,081.86 : x
  2. Step 2: Convert to fraction form
    200,182.68/300,230.28 = 67,081.86/x
  3. Step 3: Cross multiply
    200,182.68x = 300,230.28 × 67,081.86
  4. Step 4: Simplify right side
    200,182.68x = 20,140,005,610.72
  5. Step 5: Solve for x
    x = 20,140,005,610.72/200,182.68
  6. Step 6: Final answer
    x = 100,608.13

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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.