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Finding the Fourth Proportional to 122,359.33, 168,857.49 and 73,954.63

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Solution

The fourth proportional to 122,359.33, 168,857.49 and 73,954.63 is: 102,058.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,359.33 : 168,857.49 = 73,954.63 : x
  2. Step 2: Convert to fraction form
    122,359.33/168,857.49 = 73,954.63/x
  3. Step 3: Cross multiply
    122,359.33x = 168,857.49 × 73,954.63
  4. Step 4: Simplify right side
    122,359.33x = 12,487,793,195.68
  5. Step 5: Solve for x
    x = 12,487,793,195.68/122,359.33
  6. Step 6: Final answer
    x = 102,058.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.