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Finding the Fourth Proportional to 227,612.60, 341,435.10 and 69,840.80

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Solution

The fourth proportional to 227,612.60, 341,435.10 and 69,840.80 is: 104,766.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,612.60 : 341,435.10 = 69,840.80 : x
  2. Step 2: Convert to fraction form
    227,612.60/341,435.10 = 69,840.80/x
  3. Step 3: Cross multiply
    227,612.60x = 341,435.10 × 69,840.80
  4. Step 4: Simplify right side
    227,612.60x = 23,846,100,532.08
  5. Step 5: Solve for x
    x = 23,846,100,532.08/227,612.60
  6. Step 6: Final answer
    x = 104,766.17

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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.