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Finding the Fourth Proportional to 199,540.20, 299,310.30 and 116,596.20

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Solution

The fourth proportional to 199,540.20, 299,310.30 and 116,596.20 is: 174,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,540.20 : 299,310.30 = 116,596.20 : x
  2. Step 2: Convert to fraction form
    199,540.20/299,310.30 = 116,596.20/x
  3. Step 3: Cross multiply
    199,540.20x = 299,310.30 × 116,596.20
  4. Step 4: Simplify right side
    199,540.20x = 34,898,443,600.86
  5. Step 5: Solve for x
    x = 34,898,443,600.86/199,540.20
  6. Step 6: Final answer
    x = 174,894.30

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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.