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Finding the Fourth Proportional to 165,216.60, 248,019.30 and 164,050.20

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Solution

The fourth proportional to 165,216.60, 248,019.30 and 164,050.20 is: 246,268.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,216.60 : 248,019.30 = 164,050.20 : x
  2. Step 2: Convert to fraction form
    165,216.60/248,019.30 = 164,050.20/x
  3. Step 3: Cross multiply
    165,216.60x = 248,019.30 × 164,050.20
  4. Step 4: Simplify right side
    165,216.60x = 40,687,615,768.86
  5. Step 5: Solve for x
    x = 40,687,615,768.86/165,216.60
  6. Step 6: Final answer
    x = 246,268.33

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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.