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Finding the Fourth Proportional to 234,751.90, 352,039.38 and 84,955.18

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Solution

The fourth proportional to 234,751.90, 352,039.38 and 84,955.18 is: 127,400.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,751.90 : 352,039.38 = 84,955.18 : x
  2. Step 2: Convert to fraction form
    234,751.90/352,039.38 = 84,955.18/x
  3. Step 3: Cross multiply
    234,751.90x = 352,039.38 × 84,955.18
  4. Step 4: Simplify right side
    234,751.90x = 29,907,568,894.99
  5. Step 5: Solve for x
    x = 29,907,568,894.99/234,751.90
  6. Step 6: Final answer
    x = 127,400.75

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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.