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Finding the Fourth Proportional to 133,764.70, 184,475.72 and 88,488.94

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Solution

The fourth proportional to 133,764.70, 184,475.72 and 88,488.94 is: 122,035.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,764.70 : 184,475.72 = 88,488.94 : x
  2. Step 2: Convert to fraction form
    133,764.70/184,475.72 = 88,488.94/x
  3. Step 3: Cross multiply
    133,764.70x = 184,475.72 × 88,488.94
  4. Step 4: Simplify right side
    133,764.70x = 16,324,060,918.54
  5. Step 5: Solve for x
    x = 16,324,060,918.54/133,764.70
  6. Step 6: Final answer
    x = 122,035.64

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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.