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Finding the Fourth Proportional to 165,449.52, 248,074.20 and 65,622.96

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Solution

The fourth proportional to 165,449.52, 248,074.20 and 65,622.96 is: 98,394.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,449.52 : 248,074.20 = 65,622.96 : x
  2. Step 2: Convert to fraction form
    165,449.52/248,074.20 = 65,622.96/x
  3. Step 3: Cross multiply
    165,449.52x = 248,074.20 × 65,622.96
  4. Step 4: Simplify right side
    165,449.52x = 16,279,363,303.63
  5. Step 5: Solve for x
    x = 16,279,363,303.63/165,449.52
  6. Step 6: Final answer
    x = 98,394.74

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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.