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Finding the Fourth Proportional to 163,906.49, 245,901.99 and 89,007.41

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Solution

The fourth proportional to 163,906.49, 245,901.99 and 89,007.41 is: 133,534.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,906.49 : 245,901.99 = 89,007.41 : x
  2. Step 2: Convert to fraction form
    163,906.49/245,901.99 = 89,007.41/x
  3. Step 3: Cross multiply
    163,906.49x = 245,901.99 × 89,007.41
  4. Step 4: Simplify right side
    163,906.49x = 21,887,099,243.75
  5. Step 5: Solve for x
    x = 21,887,099,243.75/163,906.49
  6. Step 6: Final answer
    x = 133,534.06

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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.