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Finding the Fourth Proportional to 367,122.82, 550,684.26 and 130,474.84

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Solution

The fourth proportional to 367,122.82, 550,684.26 and 130,474.84 is: 195,712.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,122.82 : 550,684.26 = 130,474.84 : x
  2. Step 2: Convert to fraction form
    367,122.82/550,684.26 = 130,474.84/x
  3. Step 3: Cross multiply
    367,122.82x = 550,684.26 × 130,474.84
  4. Step 4: Simplify right side
    367,122.82x = 71,850,440,714.02
  5. Step 5: Solve for x
    x = 71,850,440,714.02/367,122.82
  6. Step 6: Final answer
    x = 195,712.27

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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.