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Finding the Fourth Proportional to 188,851.20, 283,276.80 and 186,882.90

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Solution

The fourth proportional to 188,851.20, 283,276.80 and 186,882.90 is: 280,324.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,851.20 : 283,276.80 = 186,882.90 : x
  2. Step 2: Convert to fraction form
    188,851.20/283,276.80 = 186,882.90/x
  3. Step 3: Cross multiply
    188,851.20x = 283,276.80 × 186,882.90
  4. Step 4: Simplify right side
    188,851.20x = 52,939,589,886.72
  5. Step 5: Solve for x
    x = 52,939,589,886.72/188,851.20
  6. Step 6: Final answer
    x = 280,324.35

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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.