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Finding the Fourth Proportional to 106,782.80, 160,037.88 and 50,622.80

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Solution

The fourth proportional to 106,782.80, 160,037.88 and 50,622.80 is: 75,869.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,782.80 : 160,037.88 = 50,622.80 : x
  2. Step 2: Convert to fraction form
    106,782.80/160,037.88 = 50,622.80/x
  3. Step 3: Cross multiply
    106,782.80x = 160,037.88 × 50,622.80
  4. Step 4: Simplify right side
    106,782.80x = 8,101,565,591.66
  5. Step 5: Solve for x
    x = 8,101,565,591.66/106,782.80
  6. Step 6: Final answer
    x = 75,869.57

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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.