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Finding the Fourth Proportional to 154,224.40, 231,336.60 and 122,731.60

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Solution

The fourth proportional to 154,224.40, 231,336.60 and 122,731.60 is: 184,097.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,224.40 : 231,336.60 = 122,731.60 : x
  2. Step 2: Convert to fraction form
    154,224.40/231,336.60 = 122,731.60/x
  3. Step 3: Cross multiply
    154,224.40x = 231,336.60 × 122,731.60
  4. Step 4: Simplify right side
    154,224.40x = 28,392,311,056.56
  5. Step 5: Solve for x
    x = 28,392,311,056.56/154,224.40
  6. Step 6: Final answer
    x = 184,097.40

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1.5x scale

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.