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Finding the Fourth Proportional to 202,910.88, 304,431.04 and 84,594.72

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Solution

The fourth proportional to 202,910.88, 304,431.04 and 84,594.72 is: 126,919.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,910.88 : 304,431.04 = 84,594.72 : x
  2. Step 2: Convert to fraction form
    202,910.88/304,431.04 = 84,594.72/x
  3. Step 3: Cross multiply
    202,910.88x = 304,431.04 × 84,594.72
  4. Step 4: Simplify right side
    202,910.88x = 25,753,258,588.11
  5. Step 5: Solve for x
    x = 25,753,258,588.11/202,910.88
  6. Step 6: Final answer
    x = 126,919.06

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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.