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Finding the Fourth Proportional to 169,469.32, 233,859.81 and 92,986.51

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Solution

The fourth proportional to 169,469.32, 233,859.81 and 92,986.51 is: 128,317.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,469.32 : 233,859.81 = 92,986.51 : x
  2. Step 2: Convert to fraction form
    169,469.32/233,859.81 = 92,986.51/x
  3. Step 3: Cross multiply
    169,469.32x = 233,859.81 × 92,986.51
  4. Step 4: Simplify right side
    169,469.32x = 21,745,806,391.86
  5. Step 5: Solve for x
    x = 21,745,806,391.86/169,469.32
  6. Step 6: Final answer
    x = 128,317.07

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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.