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Finding the Fourth Proportional to 161,079.30, 241,512.30 and 76,852.46

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Solution

The fourth proportional to 161,079.30, 241,512.30 and 76,852.46 is: 115,227.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,079.30 : 241,512.30 = 76,852.46 : x
  2. Step 2: Convert to fraction form
    161,079.30/241,512.30 = 76,852.46/x
  3. Step 3: Cross multiply
    161,079.30x = 241,512.30 × 76,852.46
  4. Step 4: Simplify right side
    161,079.30x = 18,560,814,375.26
  5. Step 5: Solve for x
    x = 18,560,814,375.26/161,079.30
  6. Step 6: Final answer
    x = 115,227.81

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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.