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Finding the Fourth Proportional to 234,645.77, 352,034.27 and 76,984.94

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Solution

The fourth proportional to 234,645.77, 352,034.27 and 76,984.94 is: 115,498.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,645.77 : 352,034.27 = 76,984.94 : x
  2. Step 2: Convert to fraction form
    234,645.77/352,034.27 = 76,984.94/x
  3. Step 3: Cross multiply
    234,645.77x = 352,034.27 × 76,984.94
  4. Step 4: Simplify right side
    234,645.77x = 27,101,335,008.80
  5. Step 5: Solve for x
    x = 27,101,335,008.80/234,645.77
  6. Step 6: Final answer
    x = 115,498.93

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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.