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Finding the Fourth Proportional to 163,253.43, 244,974.69 and 68,475.18

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Solution

The fourth proportional to 163,253.43, 244,974.69 and 68,475.18 is: 102,752.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,253.43 : 244,974.69 = 68,475.18 : x
  2. Step 2: Convert to fraction form
    163,253.43/244,974.69 = 68,475.18/x
  3. Step 3: Cross multiply
    163,253.43x = 244,974.69 × 68,475.18
  4. Step 4: Simplify right side
    163,253.43x = 16,774,685,993.19
  5. Step 5: Solve for x
    x = 16,774,685,993.19/163,253.43
  6. Step 6: Final answer
    x = 102,752.43

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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.