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Finding the Fourth Proportional to 169,227.72, 253,799.96 and 69,416.37

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Solution

The fourth proportional to 169,227.72, 253,799.96 and 69,416.37 is: 104,107.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,227.72 : 253,799.96 = 69,416.37 : x
  2. Step 2: Convert to fraction form
    169,227.72/253,799.96 = 69,416.37/x
  3. Step 3: Cross multiply
    169,227.72x = 253,799.96 × 69,416.37
  4. Step 4: Simplify right side
    169,227.72x = 17,617,871,582.26
  5. Step 5: Solve for x
    x = 17,617,871,582.26/169,227.72
  6. Step 6: Final answer
    x = 104,107.48

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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.