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Finding the Fourth Proportional to 355,099.34, 532,651.02 and 118,441.37

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Solution

The fourth proportional to 355,099.34, 532,651.02 and 118,441.37 is: 177,662.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,099.34 : 532,651.02 = 118,441.37 : x
  2. Step 2: Convert to fraction form
    355,099.34/532,651.02 = 118,441.37/x
  3. Step 3: Cross multiply
    355,099.34x = 532,651.02 × 118,441.37
  4. Step 4: Simplify right side
    355,099.34x = 63,087,916,540.70
  5. Step 5: Solve for x
    x = 63,087,916,540.70/355,099.34
  6. Step 6: Final answer
    x = 177,662.73

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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.