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Finding the Fourth Proportional to 168,145.71, 232,042.64 and 92,696.91

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Solution

The fourth proportional to 168,145.71, 232,042.64 and 92,696.91 is: 127,922.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,145.71 : 232,042.64 = 92,696.91 : x
  2. Step 2: Convert to fraction form
    168,145.71/232,042.64 = 92,696.91/x
  3. Step 3: Cross multiply
    168,145.71x = 232,042.64 × 92,696.91
  4. Step 4: Simplify right side
    168,145.71x = 21,509,635,252.76
  5. Step 5: Solve for x
    x = 21,509,635,252.76/168,145.71
  6. Step 6: Final answer
    x = 127,922.59

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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.