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Finding the Fourth Proportional to 133,506.54, 184,285.11 and 76,940.46

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Solution

The fourth proportional to 133,506.54, 184,285.11 and 76,940.46 is: 106,204.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,506.54 : 184,285.11 = 76,940.46 : x
  2. Step 2: Convert to fraction form
    133,506.54/184,285.11 = 76,940.46/x
  3. Step 3: Cross multiply
    133,506.54x = 184,285.11 × 76,940.46
  4. Step 4: Simplify right side
    133,506.54x = 14,178,981,134.55
  5. Step 5: Solve for x
    x = 14,178,981,134.55/133,506.54
  6. Step 6: Final answer
    x = 106,204.39

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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.