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Finding the Fourth Proportional to 234,998.44, 324,303.34 and 139,505.48

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Solution

The fourth proportional to 234,998.44, 324,303.34 and 139,505.48 is: 192,520.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,998.44 : 324,303.34 = 139,505.48 : x
  2. Step 2: Convert to fraction form
    234,998.44/324,303.34 = 139,505.48/x
  3. Step 3: Cross multiply
    234,998.44x = 324,303.34 × 139,505.48
  4. Step 4: Simplify right side
    234,998.44x = 45,242,093,112.30
  5. Step 5: Solve for x
    x = 45,242,093,112.30/234,998.44
  6. Step 6: Final answer
    x = 192,520.82

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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.