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Finding the Fourth Proportional to 203,355.04, 304,970.97 and 61,162.54

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Solution

The fourth proportional to 203,355.04, 304,970.97 and 61,162.54 is: 91,725.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,355.04 : 304,970.97 = 61,162.54 : x
  2. Step 2: Convert to fraction form
    203,355.04/304,970.97 = 61,162.54/x
  3. Step 3: Cross multiply
    203,355.04x = 304,970.97 × 61,162.54
  4. Step 4: Simplify right side
    203,355.04x = 18,652,800,333.86
  5. Step 5: Solve for x
    x = 18,652,800,333.86/203,355.04
  6. Step 6: Final answer
    x = 91,725.29

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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.