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Finding the Fourth Proportional to 245,093.30, 367,251.15 and 161,890.10

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Solution

The fourth proportional to 245,093.30, 367,251.15 and 161,890.10 is: 242,578.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,093.30 : 367,251.15 = 161,890.10 : x
  2. Step 2: Convert to fraction form
    245,093.30/367,251.15 = 161,890.10/x
  3. Step 3: Cross multiply
    245,093.30x = 367,251.15 × 161,890.10
  4. Step 4: Simplify right side
    245,093.30x = 59,454,325,398.62
  5. Step 5: Solve for x
    x = 59,454,325,398.62/245,093.30
  6. Step 6: Final answer
    x = 242,578.34

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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.