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Finding the Fourth Proportional to 163,152.54, 244,969.04 and 91,246.33

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Solution

The fourth proportional to 163,152.54, 244,969.04 and 91,246.33 is: 137,003.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,152.54 : 244,969.04 = 91,246.33 : x
  2. Step 2: Convert to fraction form
    163,152.54/244,969.04 = 91,246.33/x
  3. Step 3: Cross multiply
    163,152.54x = 244,969.04 × 91,246.33
  4. Step 4: Simplify right side
    163,152.54x = 22,352,524,896.95
  5. Step 5: Solve for x
    x = 22,352,524,896.95/163,152.54
  6. Step 6: Final answer
    x = 137,003.85

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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.