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Finding the Fourth Proportional to 165,879.06, 248,818.60 and 55,071.06

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Solution

The fourth proportional to 165,879.06, 248,818.60 and 55,071.06 is: 82,606.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,879.06 : 248,818.60 = 55,071.06 : x
  2. Step 2: Convert to fraction form
    165,879.06/248,818.60 = 55,071.06/x
  3. Step 3: Cross multiply
    165,879.06x = 248,818.60 × 55,071.06
  4. Step 4: Simplify right side
    165,879.06x = 13,702,704,049.72
  5. Step 5: Solve for x
    x = 13,702,704,049.72/165,879.06
  6. Step 6: Final answer
    x = 82,606.59

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1.5x scale

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.