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Finding the Fourth Proportional to 227,858.60, 341,787.90 and 70,086.80

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Solution

The fourth proportional to 227,858.60, 341,787.90 and 70,086.80 is: 105,130.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,858.60 : 341,787.90 = 70,086.80 : x
  2. Step 2: Convert to fraction form
    227,858.60/341,787.90 = 70,086.80/x
  3. Step 3: Cross multiply
    227,858.60x = 341,787.90 × 70,086.80
  4. Step 4: Simplify right side
    227,858.60x = 23,954,820,189.72
  5. Step 5: Solve for x
    x = 23,954,820,189.72/227,858.60
  6. Step 6: Final answer
    x = 105,130.20

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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.