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Finding the Fourth Proportional to 149,548.60, 206,371.34 and 82,480.60

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Solution

The fourth proportional to 149,548.60, 206,371.34 and 82,480.60 is: 113,820.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,548.60 : 206,371.34 = 82,480.60 : x
  2. Step 2: Convert to fraction form
    149,548.60/206,371.34 = 82,480.60/x
  3. Step 3: Cross multiply
    149,548.60x = 206,371.34 × 82,480.60
  4. Step 4: Simplify right side
    149,548.60x = 17,021,631,946.00
  5. Step 5: Solve for x
    x = 17,021,631,946.00/149,548.60
  6. Step 6: Final answer
    x = 113,820.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.