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Finding the Fourth Proportional to 325,409.97, 488,112.12 and 88,752.27

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Solution

The fourth proportional to 325,409.97, 488,112.12 and 88,752.27 is: 133,127.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,409.97 : 488,112.12 = 88,752.27 : x
  2. Step 2: Convert to fraction form
    325,409.97/488,112.12 = 88,752.27/x
  3. Step 3: Cross multiply
    325,409.97x = 488,112.12 × 88,752.27
  4. Step 4: Simplify right side
    325,409.97x = 43,321,058,664.51
  5. Step 5: Solve for x
    x = 43,321,058,664.51/325,409.97
  6. Step 6: Final answer
    x = 133,127.63

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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.