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Finding the Fourth Proportional to 104,037.60, 155,998.80 and 33,880.80

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Solution

The fourth proportional to 104,037.60, 155,998.80 and 33,880.80 is: 50,802.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,037.60 : 155,998.80 = 33,880.80 : x
  2. Step 2: Convert to fraction form
    104,037.60/155,998.80 = 33,880.80/x
  3. Step 3: Cross multiply
    104,037.60x = 155,998.80 × 33,880.80
  4. Step 4: Simplify right side
    104,037.60x = 5,285,364,143.04
  5. Step 5: Solve for x
    x = 5,285,364,143.04/104,037.60
  6. Step 6: Final answer
    x = 50,802.44

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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.