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Finding the Fourth Proportional to 194,694.60, 292,041.90 and 111,520.20

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Solution

The fourth proportional to 194,694.60, 292,041.90 and 111,520.20 is: 167,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,694.60 : 292,041.90 = 111,520.20 : x
  2. Step 2: Convert to fraction form
    194,694.60/292,041.90 = 111,520.20/x
  3. Step 3: Cross multiply
    194,694.60x = 292,041.90 × 111,520.20
  4. Step 4: Simplify right side
    194,694.60x = 32,568,571,096.38
  5. Step 5: Solve for x
    x = 32,568,571,096.38/194,694.60
  6. Step 6: Final answer
    x = 167,280.30

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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.