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Finding the Fourth Proportional to 137,796.55, 206,707.83 and 53,563.13

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Solution

The fourth proportional to 137,796.55, 206,707.83 and 53,563.13 is: 80,349.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,796.55 : 206,707.83 = 53,563.13 : x
  2. Step 2: Convert to fraction form
    137,796.55/206,707.83 = 53,563.13/x
  3. Step 3: Cross multiply
    137,796.55x = 206,707.83 × 53,563.13
  4. Step 4: Simplify right side
    137,796.55x = 11,071,918,370.31
  5. Step 5: Solve for x
    x = 11,071,918,370.31/137,796.55
  6. Step 6: Final answer
    x = 80,349.75

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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.