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Finding the Fourth Proportional to 132,110.20, 198,165.30 and 132,110.20

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Solution

The fourth proportional to 132,110.20, 198,165.30 and 132,110.20 is: 198,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,110.20 : 198,165.30 = 132,110.20 : x
  2. Step 2: Convert to fraction form
    132,110.20/198,165.30 = 132,110.20/x
  3. Step 3: Cross multiply
    132,110.20x = 198,165.30 × 132,110.20
  4. Step 4: Simplify right side
    132,110.20x = 26,179,657,416.06
  5. Step 5: Solve for x
    x = 26,179,657,416.06/132,110.20
  6. Step 6: Final answer
    x = 198,165.30

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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.