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Finding the Fourth Proportional to 227,638.56, 341,427.81 and 69,853.80

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Solution

The fourth proportional to 227,638.56, 341,427.81 and 69,853.80 is: 104,771.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,638.56 : 341,427.81 = 69,853.80 : x
  2. Step 2: Convert to fraction form
    227,638.56/341,427.81 = 69,853.80/x
  3. Step 3: Cross multiply
    227,638.56x = 341,427.81 × 69,853.80
  4. Step 4: Simplify right side
    227,638.56x = 23,850,029,954.18
  5. Step 5: Solve for x
    x = 23,850,029,954.18/227,638.56
  6. Step 6: Final answer
    x = 104,771.48

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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.