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Finding the Fourth Proportional to 104,994.75, 157,380.72 and 51,611.45

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Solution

The fourth proportional to 104,994.75, 157,380.72 and 51,611.45 is: 77,362.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,994.75 : 157,380.72 = 51,611.45 : x
  2. Step 2: Convert to fraction form
    104,994.75/157,380.72 = 51,611.45/x
  3. Step 3: Cross multiply
    104,994.75x = 157,380.72 × 51,611.45
  4. Step 4: Simplify right side
    104,994.75x = 8,122,646,471.11
  5. Step 5: Solve for x
    x = 8,122,646,471.11/104,994.75
  6. Step 6: Final answer
    x = 77,362.41

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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.