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Finding the Fourth Proportional to 163,791.46, 245,747.27 and 69,045.49

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Solution

The fourth proportional to 163,791.46, 245,747.27 and 69,045.49 is: 103,593.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,791.46 : 245,747.27 = 69,045.49 : x
  2. Step 2: Convert to fraction form
    163,791.46/245,747.27 = 69,045.49/x
  3. Step 3: Cross multiply
    163,791.46x = 245,747.27 × 69,045.49
  4. Step 4: Simplify right side
    163,791.46x = 16,967,740,673.31
  5. Step 5: Solve for x
    x = 16,967,740,673.31/163,791.46
  6. Step 6: Final answer
    x = 103,593.56

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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.