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Finding the Fourth Proportional to 138,777.96, 208,174.37 and 44,015.34

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Solution

The fourth proportional to 138,777.96, 208,174.37 and 44,015.34 is: 66,025.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,777.96 : 208,174.37 = 44,015.34 : x
  2. Step 2: Convert to fraction form
    138,777.96/208,174.37 = 44,015.34/x
  3. Step 3: Cross multiply
    138,777.96x = 208,174.37 × 44,015.34
  4. Step 4: Simplify right side
    138,777.96x = 9,162,865,674.84
  5. Step 5: Solve for x
    x = 9,162,865,674.84/138,777.96
  6. Step 6: Final answer
    x = 66,025.37

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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.