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Finding the Fourth Proportional to 168,309.36, 232,250.76 and 92,853

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Solution

The fourth proportional to 168,309.36, 232,250.76 and 92,853 is: 128,128.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,309.36 : 232,250.76 = 92,853 : x
  2. Step 2: Convert to fraction form
    168,309.36/232,250.76 = 92,853/x
  3. Step 3: Cross multiply
    168,309.36x = 232,250.76 × 92,853
  4. Step 4: Simplify right side
    168,309.36x = 21,565,179,818.28
  5. Step 5: Solve for x
    x = 21,565,179,818.28/168,309.36
  6. Step 6: Final answer
    x = 128,128.23

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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.