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Finding the Fourth Proportional to 168,836.68, 232,978.96 and 93,383.56

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Solution

The fourth proportional to 168,836.68, 232,978.96 and 93,383.56 is: 128,860.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,836.68 : 232,978.96 = 93,383.56 : x
  2. Step 2: Convert to fraction form
    168,836.68/232,978.96 = 93,383.56/x
  3. Step 3: Cross multiply
    168,836.68x = 232,978.96 × 93,383.56
  4. Step 4: Simplify right side
    168,836.68x = 21,756,404,689.90
  5. Step 5: Solve for x
    x = 21,756,404,689.90/168,836.68
  6. Step 6: Final answer
    x = 128,860.65

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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.