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Finding the Fourth Proportional to 137,551.55, 206,259.26 and 48,791.75

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Solution

The fourth proportional to 137,551.55, 206,259.26 and 48,791.75 is: 73,163.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,551.55 : 206,259.26 = 48,791.75 : x
  2. Step 2: Convert to fraction form
    137,551.55/206,259.26 = 48,791.75/x
  3. Step 3: Cross multiply
    137,551.55x = 206,259.26 × 48,791.75
  4. Step 4: Simplify right side
    137,551.55x = 10,063,748,973.85
  5. Step 5: Solve for x
    x = 10,063,748,973.85/137,551.55
  6. Step 6: Final answer
    x = 73,163.47

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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.