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Finding the Fourth Proportional to 146,627.92, 219,843.24 and 67,698.64

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Solution

The fourth proportional to 146,627.92, 219,843.24 and 67,698.64 is: 101,502.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,627.92 : 219,843.24 = 67,698.64 : x
  2. Step 2: Convert to fraction form
    146,627.92/219,843.24 = 67,698.64/x
  3. Step 3: Cross multiply
    146,627.92x = 219,843.24 × 67,698.64
  4. Step 4: Simplify right side
    146,627.92x = 14,883,088,361.19
  5. Step 5: Solve for x
    x = 14,883,088,361.19/146,627.92
  6. Step 6: Final answer
    x = 101,502.42

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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.