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Finding the Fourth Proportional to 116,873.20, 174,964.20 and 104,431.60

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Solution

The fourth proportional to 116,873.20, 174,964.20 and 104,431.60 is: 156,338.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,873.20 : 174,964.20 = 104,431.60 : x
  2. Step 2: Convert to fraction form
    116,873.20/174,964.20 = 104,431.60/x
  3. Step 3: Cross multiply
    116,873.20x = 174,964.20 × 104,431.60
  4. Step 4: Simplify right side
    116,873.20x = 18,271,791,348.72
  5. Step 5: Solve for x
    x = 18,271,791,348.72/116,873.20
  6. Step 6: Final answer
    x = 156,338.59

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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.