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Finding the Fourth Proportional to 161,704.40, 242,556.60 and 120,232.40

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Solution

The fourth proportional to 161,704.40, 242,556.60 and 120,232.40 is: 180,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,704.40 : 242,556.60 = 120,232.40 : x
  2. Step 2: Convert to fraction form
    161,704.40/242,556.60 = 120,232.40/x
  3. Step 3: Cross multiply
    161,704.40x = 242,556.60 × 120,232.40
  4. Step 4: Simplify right side
    161,704.40x = 29,163,162,153.84
  5. Step 5: Solve for x
    x = 29,163,162,153.84/161,704.40
  6. Step 6: Final answer
    x = 180,348.60

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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.