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Finding the Fourth Proportional to 132,003.40, 197,843.10 and 89,883.40

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Solution

The fourth proportional to 132,003.40, 197,843.10 and 89,883.40 is: 134,714.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,003.40 : 197,843.10 = 89,883.40 : x
  2. Step 2: Convert to fraction form
    132,003.40/197,843.10 = 89,883.40/x
  3. Step 3: Cross multiply
    132,003.40x = 197,843.10 × 89,883.40
  4. Step 4: Simplify right side
    132,003.40x = 17,782,810,494.54
  5. Step 5: Solve for x
    x = 17,782,810,494.54/132,003.40
  6. Step 6: Final answer
    x = 134,714.79

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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.