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Finding the Fourth Proportional to 184,490.40, 276,800.40 and 66,165.60

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Solution

The fourth proportional to 184,490.40, 276,800.40 and 66,165.60 is: 99,271.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,490.40 : 276,800.40 = 66,165.60 : x
  2. Step 2: Convert to fraction form
    184,490.40/276,800.40 = 66,165.60/x
  3. Step 3: Cross multiply
    184,490.40x = 276,800.40 × 66,165.60
  4. Step 4: Simplify right side
    184,490.40x = 18,314,664,546.24
  5. Step 5: Solve for x
    x = 18,314,664,546.24/184,490.40
  6. Step 6: Final answer
    x = 99,271.64

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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.