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Finding the Fourth Proportional to 110,873.20, 166,309.80 and 102,319.60

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Solution

The fourth proportional to 110,873.20, 166,309.80 and 102,319.60 is: 153,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,873.20 : 166,309.80 = 102,319.60 : x
  2. Step 2: Convert to fraction form
    110,873.20/166,309.80 = 102,319.60/x
  3. Step 3: Cross multiply
    110,873.20x = 166,309.80 × 102,319.60
  4. Step 4: Simplify right side
    110,873.20x = 17,016,752,212.08
  5. Step 5: Solve for x
    x = 17,016,752,212.08/110,873.20
  6. Step 6: Final answer
    x = 153,479.40

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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.