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Finding the Fourth Proportional to 277,219.01, 415,873.35 and 108,647.88

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Solution

The fourth proportional to 277,219.01, 415,873.35 and 108,647.88 is: 162,989.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,219.01 : 415,873.35 = 108,647.88 : x
  2. Step 2: Convert to fraction form
    277,219.01/415,873.35 = 108,647.88/x
  3. Step 3: Cross multiply
    277,219.01x = 415,873.35 × 108,647.88
  4. Step 4: Simplify right side
    277,219.01x = 45,183,757,826.00
  5. Step 5: Solve for x
    x = 45,183,757,826.00/277,219.01
  6. Step 6: Final answer
    x = 162,989.39

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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.