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Finding the Fourth Proportional to 104,129.79, 156,174.96 and 50,768.22

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Solution

The fourth proportional to 104,129.79, 156,174.96 and 50,768.22 is: 76,142.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,129.79 : 156,174.96 = 50,768.22 : x
  2. Step 2: Convert to fraction form
    104,129.79/156,174.96 = 50,768.22/x
  3. Step 3: Cross multiply
    104,129.79x = 156,174.96 × 50,768.22
  4. Step 4: Simplify right side
    104,129.79x = 7,928,724,727.77
  5. Step 5: Solve for x
    x = 7,928,724,727.77/104,129.79
  6. Step 6: Final answer
    x = 76,142.71

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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.