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Finding the Fourth Proportional to 169,138.63, 233,411.41 and 92,660.51

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Solution

The fourth proportional to 169,138.63, 233,411.41 and 92,660.51 is: 127,871.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,138.63 : 233,411.41 = 92,660.51 : x
  2. Step 2: Convert to fraction form
    169,138.63/233,411.41 = 92,660.51/x
  3. Step 3: Cross multiply
    169,138.63x = 233,411.41 × 92,660.51
  4. Step 4: Simplify right side
    169,138.63x = 21,628,020,290.42
  5. Step 5: Solve for x
    x = 21,628,020,290.42/169,138.63
  6. Step 6: Final answer
    x = 127,871.56

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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.