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Finding the Fourth Proportional to 227,627.60, 341,441.40 and 128,094.80

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Solution

The fourth proportional to 227,627.60, 341,441.40 and 128,094.80 is: 192,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,627.60 : 341,441.40 = 128,094.80 : x
  2. Step 2: Convert to fraction form
    227,627.60/341,441.40 = 128,094.80/x
  3. Step 3: Cross multiply
    227,627.60x = 341,441.40 × 128,094.80
  4. Step 4: Simplify right side
    227,627.60x = 43,736,867,844.72
  5. Step 5: Solve for x
    x = 43,736,867,844.72/227,627.60
  6. Step 6: Final answer
    x = 192,142.20

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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.