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Finding the Fourth Proportional to 167,438.70, 251,138.16 and 55,091.06

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Solution

The fourth proportional to 167,438.70, 251,138.16 and 55,091.06 is: 82,630.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,438.70 : 251,138.16 = 55,091.06 : x
  2. Step 2: Convert to fraction form
    167,438.70/251,138.16 = 55,091.06/x
  3. Step 3: Cross multiply
    167,438.70x = 251,138.16 × 55,091.06
  4. Step 4: Simplify right side
    167,438.70x = 13,835,467,440.85
  5. Step 5: Solve for x
    x = 13,835,467,440.85/167,438.70
  6. Step 6: Final answer
    x = 82,630.05

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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.