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Finding the Fourth Proportional to 67,916.88, 101,791.44 and 49,260.96

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Solution

The fourth proportional to 67,916.88, 101,791.44 and 49,260.96 is: 73,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,916.88 : 101,791.44 = 49,260.96 : x
  2. Step 2: Convert to fraction form
    67,916.88/101,791.44 = 49,260.96/x
  3. Step 3: Cross multiply
    67,916.88x = 101,791.44 × 49,260.96
  4. Step 4: Simplify right side
    67,916.88x = 5,014,344,054.18
  5. Step 5: Solve for x
    x = 5,014,344,054.18/67,916.88
  6. Step 6: Final answer
    x = 73,830.60

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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.