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Finding the Fourth Proportional to 112,504.80, 168,800.40 and 110,733.60

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Solution

The fourth proportional to 112,504.80, 168,800.40 and 110,733.60 is: 166,142.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,504.80 : 168,800.40 = 110,733.60 : x
  2. Step 2: Convert to fraction form
    112,504.80/168,800.40 = 110,733.60/x
  3. Step 3: Cross multiply
    112,504.80x = 168,800.40 × 110,733.60
  4. Step 4: Simplify right side
    112,504.80x = 18,691,875,973.44
  5. Step 5: Solve for x
    x = 18,691,875,973.44/112,504.80
  6. Step 6: Final answer
    x = 166,142.92

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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.