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Finding the Fourth Proportional to 132,573, 198,859.44 and 109,150.22

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Solution

The fourth proportional to 132,573, 198,859.44 and 109,150.22 is: 163,725.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,573 : 198,859.44 = 109,150.22 : x
  2. Step 2: Convert to fraction form
    132,573/198,859.44 = 109,150.22/x
  3. Step 3: Cross multiply
    132,573x = 198,859.44 × 109,150.22
  4. Step 4: Simplify right side
    132,573x = 21,705,551,625.08
  5. Step 5: Solve for x
    x = 21,705,551,625.08/132,573
  6. Step 6: Final answer
    x = 163,725.28

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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.