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Finding the Fourth Proportional to 185,799.36, 278,794.36 and 91,027.76

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Solution

The fourth proportional to 185,799.36, 278,794.36 and 91,027.76 is: 136,588.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,799.36 : 278,794.36 = 91,027.76 : x
  2. Step 2: Convert to fraction form
    185,799.36/278,794.36 = 91,027.76/x
  3. Step 3: Cross multiply
    185,799.36x = 278,794.36 × 91,027.76
  4. Step 4: Simplify right side
    185,799.36x = 25,378,026,091.43
  5. Step 5: Solve for x
    x = 25,378,026,091.43/185,799.36
  6. Step 6: Final answer
    x = 136,588.34

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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.