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Finding the Fourth Proportional to 234,788.97, 352,197.44 and 90,695.90

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Solution

The fourth proportional to 234,788.97, 352,197.44 and 90,695.90 is: 136,049.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,788.97 : 352,197.44 = 90,695.90 : x
  2. Step 2: Convert to fraction form
    234,788.97/352,197.44 = 90,695.90/x
  3. Step 3: Cross multiply
    234,788.97x = 352,197.44 × 90,695.90
  4. Step 4: Simplify right side
    234,788.97x = 31,942,862,037.51
  5. Step 5: Solve for x
    x = 31,942,862,037.51/234,788.97
  6. Step 6: Final answer
    x = 136,049.24

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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.