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Finding the Fourth Proportional to 157,418.40, 236,116.80 and 50,800.80

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Solution

The fourth proportional to 157,418.40, 236,116.80 and 50,800.80 is: 76,197.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,418.40 : 236,116.80 = 50,800.80 : x
  2. Step 2: Convert to fraction form
    157,418.40/236,116.80 = 50,800.80/x
  3. Step 3: Cross multiply
    157,418.40x = 236,116.80 × 50,800.80
  4. Step 4: Simplify right side
    157,418.40x = 11,994,922,333.44
  5. Step 5: Solve for x
    x = 11,994,922,333.44/157,418.40
  6. Step 6: Final answer
    x = 76,197.71

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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.