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Finding the Fourth Proportional to 112,229.40, 168,368.40 and 33,351.60

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Solution

The fourth proportional to 112,229.40, 168,368.40 and 33,351.60 is: 50,034.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,229.40 : 168,368.40 = 33,351.60 : x
  2. Step 2: Convert to fraction form
    112,229.40/168,368.40 = 33,351.60/x
  3. Step 3: Cross multiply
    112,229.40x = 168,368.40 × 33,351.60
  4. Step 4: Simplify right side
    112,229.40x = 5,615,355,529.44
  5. Step 5: Solve for x
    x = 5,615,355,529.44/112,229.40
  6. Step 6: Final answer
    x = 50,034.62

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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.