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Finding the Fourth Proportional to 184,442.80, 276,664.20 and 134,287.60

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Solution

The fourth proportional to 184,442.80, 276,664.20 and 134,287.60 is: 201,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,442.80 : 276,664.20 = 134,287.60 : x
  2. Step 2: Convert to fraction form
    184,442.80/276,664.20 = 134,287.60/x
  3. Step 3: Cross multiply
    184,442.80x = 276,664.20 × 134,287.60
  4. Step 4: Simplify right side
    184,442.80x = 37,152,571,423.92
  5. Step 5: Solve for x
    x = 37,152,571,423.92/184,442.80
  6. Step 6: Final answer
    x = 201,431.40

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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.