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Finding the Fourth Proportional to 373,348.20, 559,682.10 and 136,633.80

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Solution

The fourth proportional to 373,348.20, 559,682.10 and 136,633.80 is: 204,826.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,348.20 : 559,682.10 = 136,633.80 : x
  2. Step 2: Convert to fraction form
    373,348.20/559,682.10 = 136,633.80/x
  3. Step 3: Cross multiply
    373,348.20x = 559,682.10 × 136,633.80
  4. Step 4: Simplify right side
    373,348.20x = 76,471,492,114.98
  5. Step 5: Solve for x
    x = 76,471,492,114.98/373,348.20
  6. Step 6: Final answer
    x = 204,826.20

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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.