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Finding the Fourth Proportional to 101,893.71, 152,791.38 and 42,713.49

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Solution

The fourth proportional to 101,893.71, 152,791.38 and 42,713.49 is: 64,049.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,893.71 : 152,791.38 = 42,713.49 : x
  2. Step 2: Convert to fraction form
    101,893.71/152,791.38 = 42,713.49/x
  3. Step 3: Cross multiply
    101,893.71x = 152,791.38 × 42,713.49
  4. Step 4: Simplify right side
    101,893.71x = 6,526,253,081.72
  5. Step 5: Solve for x
    x = 6,526,253,081.72/101,893.71
  6. Step 6: Final answer
    x = 64,049.62

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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.