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Finding the Fourth Proportional to 168,650.36, 232,728.34 and 93,194

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Solution

The fourth proportional to 168,650.36, 232,728.34 and 93,194 is: 128,602.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,650.36 : 232,728.34 = 93,194 : x
  2. Step 2: Convert to fraction form
    168,650.36/232,728.34 = 93,194/x
  3. Step 3: Cross multiply
    168,650.36x = 232,728.34 × 93,194
  4. Step 4: Simplify right side
    168,650.36x = 21,688,884,917.96
  5. Step 5: Solve for x
    x = 21,688,884,917.96/168,650.36
  6. Step 6: Final answer
    x = 128,602.66

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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.