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Finding the Fourth Proportional to 245,048.20, 367,280.70 and 102,893.20

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Solution

The fourth proportional to 245,048.20, 367,280.70 and 102,893.20 is: 154,217.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,048.20 : 367,280.70 = 102,893.20 : x
  2. Step 2: Convert to fraction form
    245,048.20/367,280.70 = 102,893.20/x
  3. Step 3: Cross multiply
    245,048.20x = 367,280.70 × 102,893.20
  4. Step 4: Simplify right side
    245,048.20x = 37,790,686,521.24
  5. Step 5: Solve for x
    x = 37,790,686,521.24/245,048.20
  6. Step 6: Final answer
    x = 154,217.36

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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.