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Finding the Fourth Proportional to 163,020.06, 244,558.31 and 54,939.06

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Solution

The fourth proportional to 163,020.06, 244,558.31 and 54,939.06 is: 82,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,020.06 : 244,558.31 = 54,939.06 : x
  2. Step 2: Convert to fraction form
    163,020.06/244,558.31 = 54,939.06/x
  3. Step 3: Cross multiply
    163,020.06x = 244,558.31 × 54,939.06
  4. Step 4: Simplify right side
    163,020.06x = 13,435,803,391.89
  5. Step 5: Solve for x
    x = 13,435,803,391.89/163,020.06
  6. Step 6: Final answer
    x = 82,418.10

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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.