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Finding the Fourth Proportional to 193,153.34, 289,813.26 and 104,469.27

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Solution

The fourth proportional to 193,153.34, 289,813.26 and 104,469.27 is: 156,748.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,153.34 : 289,813.26 = 104,469.27 : x
  2. Step 2: Convert to fraction form
    193,153.34/289,813.26 = 104,469.27/x
  3. Step 3: Cross multiply
    193,153.34x = 289,813.26 × 104,469.27
  4. Step 4: Simplify right side
    193,153.34x = 30,276,580,599.44
  5. Step 5: Solve for x
    x = 30,276,580,599.44/193,153.34
  6. Step 6: Final answer
    x = 156,748.94

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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.