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Finding the Fourth Proportional to 163,662.75, 225,808 and 98,224.99

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Solution

The fourth proportional to 163,662.75, 225,808 and 98,224.99 is: 135,522.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,662.75 : 225,808 = 98,224.99 : x
  2. Step 2: Convert to fraction form
    163,662.75/225,808 = 98,224.99/x
  3. Step 3: Cross multiply
    163,662.75x = 225,808 × 98,224.99
  4. Step 4: Simplify right side
    163,662.75x = 22,179,988,541.92
  5. Step 5: Solve for x
    x = 22,179,988,541.92/163,662.75
  6. Step 6: Final answer
    x = 135,522.52

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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.