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Finding the Fourth Proportional to 133,758.89, 184,425.85 and 115,576.75

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Solution

The fourth proportional to 133,758.89, 184,425.85 and 115,576.75 is: 159,356.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,758.89 : 184,425.85 = 115,576.75 : x
  2. Step 2: Convert to fraction form
    133,758.89/184,425.85 = 115,576.75/x
  3. Step 3: Cross multiply
    133,758.89x = 184,425.85 × 115,576.75
  4. Step 4: Simplify right side
    133,758.89x = 21,315,338,858.97
  5. Step 5: Solve for x
    x = 21,315,338,858.97/133,758.89
  6. Step 6: Final answer
    x = 159,356.43

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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.