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Finding the Fourth Proportional to 184,455.40, 276,464.40 and 165,647.20

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Solution

The fourth proportional to 184,455.40, 276,464.40 and 165,647.20 is: 248,274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,455.40 : 276,464.40 = 165,647.20 : x
  2. Step 2: Convert to fraction form
    184,455.40/276,464.40 = 165,647.20/x
  3. Step 3: Cross multiply
    184,455.40x = 276,464.40 × 165,647.20
  4. Step 4: Simplify right side
    184,455.40x = 45,795,553,759.68
  5. Step 5: Solve for x
    x = 45,795,553,759.68/184,455.40
  6. Step 6: Final answer
    x = 248,274.40

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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.