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Finding the Fourth Proportional to 357,662.43, 536,493.84 and 132,993.67

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Solution

The fourth proportional to 357,662.43, 536,493.84 and 132,993.67 is: 199,490.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,662.43 : 536,493.84 = 132,993.67 : x
  2. Step 2: Convert to fraction form
    357,662.43/536,493.84 = 132,993.67/x
  3. Step 3: Cross multiply
    357,662.43x = 536,493.84 × 132,993.67
  4. Step 4: Simplify right side
    357,662.43x = 71,350,284,713.99
  5. Step 5: Solve for x
    x = 71,350,284,713.99/357,662.43
  6. Step 6: Final answer
    x = 199,490.58

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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.