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Finding the Fourth Proportional to 165,525.60, 248,806.80 and 162,415.20

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Solution

The fourth proportional to 165,525.60, 248,806.80 and 162,415.20 is: 244,131.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,525.60 : 248,806.80 = 162,415.20 : x
  2. Step 2: Convert to fraction form
    165,525.60/248,806.80 = 162,415.20/x
  3. Step 3: Cross multiply
    165,525.60x = 248,806.80 × 162,415.20
  4. Step 4: Simplify right side
    165,525.60x = 40,410,006,183.36
  5. Step 5: Solve for x
    x = 40,410,006,183.36/165,525.60
  6. Step 6: Final answer
    x = 244,131.46

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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.