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Finding the Fourth Proportional to 234,668.51, 323,842.24 and 127,238.37

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Solution

The fourth proportional to 234,668.51, 323,842.24 and 127,238.37 is: 175,588.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,668.51 : 323,842.24 = 127,238.37 : x
  2. Step 2: Convert to fraction form
    234,668.51/323,842.24 = 127,238.37/x
  3. Step 3: Cross multiply
    234,668.51x = 323,842.24 × 127,238.37
  4. Step 4: Simplify right side
    234,668.51x = 41,205,156,499.35
  5. Step 5: Solve for x
    x = 41,205,156,499.35/234,668.51
  6. Step 6: Final answer
    x = 175,588.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.