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Finding the Fourth Proportional to 169,921.94, 234,488.46 and 92,395.92

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Solution

The fourth proportional to 169,921.94, 234,488.46 and 92,395.92 is: 127,504.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,921.94 : 234,488.46 = 92,395.92 : x
  2. Step 2: Convert to fraction form
    169,921.94/234,488.46 = 92,395.92/x
  3. Step 3: Cross multiply
    169,921.94x = 234,488.46 × 92,395.92
  4. Step 4: Simplify right side
    169,921.94x = 21,665,775,818.64
  5. Step 5: Solve for x
    x = 21,665,775,818.64/169,921.94
  6. Step 6: Final answer
    x = 127,504.29

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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.