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Finding the Fourth Proportional to 161,164.90, 241,662.30 and 54,512.20

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Solution

The fourth proportional to 161,164.90, 241,662.30 and 54,512.20 is: 81,739.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,164.90 : 241,662.30 = 54,512.20 : x
  2. Step 2: Convert to fraction form
    161,164.90/241,662.30 = 54,512.20/x
  3. Step 3: Cross multiply
    161,164.90x = 241,662.30 × 54,512.20
  4. Step 4: Simplify right side
    161,164.90x = 13,173,543,630.06
  5. Step 5: Solve for x
    x = 13,173,543,630.06/161,164.90
  6. Step 6: Final answer
    x = 81,739.53

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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.