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Finding the Fourth Proportional to 259,471.44, 358,070.42 and 140,239.44

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Solution

The fourth proportional to 259,471.44, 358,070.42 and 140,239.44 is: 193,530.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,471.44 : 358,070.42 = 140,239.44 : x
  2. Step 2: Convert to fraction form
    259,471.44/358,070.42 = 140,239.44/x
  3. Step 3: Cross multiply
    259,471.44x = 358,070.42 × 140,239.44
  4. Step 4: Simplify right side
    259,471.44x = 50,215,595,181.36
  5. Step 5: Solve for x
    x = 50,215,595,181.36/259,471.44
  6. Step 6: Final answer
    x = 193,530.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.