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Finding the Fourth Proportional to 245,093.80, 367,251.90 and 161,890.60

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Solution

The fourth proportional to 245,093.80, 367,251.90 and 161,890.60 is: 242,579.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,093.80 : 367,251.90 = 161,890.60 : x
  2. Step 2: Convert to fraction form
    245,093.80/367,251.90 = 161,890.60/x
  3. Step 3: Cross multiply
    245,093.80x = 367,251.90 × 161,890.60
  4. Step 4: Simplify right side
    245,093.80x = 59,454,630,442.14
  5. Step 5: Solve for x
    x = 59,454,630,442.14/245,093.80
  6. Step 6: Final answer
    x = 242,579.09

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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.