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Finding the Fourth Proportional to 169,675.50, 254,400.92 and 80,942.70

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Solution

The fourth proportional to 169,675.50, 254,400.92 and 80,942.70 is: 121,360.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,675.50 : 254,400.92 = 80,942.70 : x
  2. Step 2: Convert to fraction form
    169,675.50/254,400.92 = 80,942.70/x
  3. Step 3: Cross multiply
    169,675.50x = 254,400.92 × 80,942.70
  4. Step 4: Simplify right side
    169,675.50x = 20,591,897,347.28
  5. Step 5: Solve for x
    x = 20,591,897,347.28/169,675.50
  6. Step 6: Final answer
    x = 121,360.46

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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.