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Finding the Fourth Proportional to 169,180, 233,478.20 and 92,699.24

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Solution

The fourth proportional to 169,180, 233,478.20 and 92,699.24 is: 127,930.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,180 : 233,478.20 = 92,699.24 : x
  2. Step 2: Convert to fraction form
    169,180/233,478.20 = 92,699.24/x
  3. Step 3: Cross multiply
    169,180x = 233,478.20 × 92,699.24
  4. Step 4: Simplify right side
    169,180x = 21,643,251,696.57
  5. Step 5: Solve for x
    x = 21,643,251,696.57/169,180
  6. Step 6: Final answer
    x = 127,930.32

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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.