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Finding the Fourth Proportional to 215,357.44, 323,102.34 and 110,250.22

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Solution

The fourth proportional to 215,357.44, 323,102.34 and 110,250.22 is: 165,409.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,357.44 : 323,102.34 = 110,250.22 : x
  2. Step 2: Convert to fraction form
    215,357.44/323,102.34 = 110,250.22/x
  3. Step 3: Cross multiply
    215,357.44x = 323,102.34 × 110,250.22
  4. Step 4: Simplify right side
    215,357.44x = 35,622,104,067.51
  5. Step 5: Solve for x
    x = 35,622,104,067.51/215,357.44
  6. Step 6: Final answer
    x = 165,409.21

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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.