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Finding the Fourth Proportional to 164,134.85, 246,202.34 and 126,749.57

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Solution

The fourth proportional to 164,134.85, 246,202.34 and 126,749.57 is: 190,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,134.85 : 246,202.34 = 126,749.57 : x
  2. Step 2: Convert to fraction form
    164,134.85/246,202.34 = 126,749.57/x
  3. Step 3: Cross multiply
    164,134.85x = 246,202.34 × 126,749.57
  4. Step 4: Simplify right side
    164,134.85x = 31,206,038,863.23
  5. Step 5: Solve for x
    x = 31,206,038,863.23/164,134.85
  6. Step 6: Final answer
    x = 190,124.40

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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.