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Finding the Fourth Proportional to 170,799.96, 256,028.48 and 58,403.31

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Solution

The fourth proportional to 170,799.96, 256,028.48 and 58,403.31 is: 87,546.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,799.96 : 256,028.48 = 58,403.31 : x
  2. Step 2: Convert to fraction form
    170,799.96/256,028.48 = 58,403.31/x
  3. Step 3: Cross multiply
    170,799.96x = 256,028.48 × 58,403.31
  4. Step 4: Simplify right side
    170,799.96x = 14,952,910,394.25
  5. Step 5: Solve for x
    x = 14,952,910,394.25/170,799.96
  6. Step 6: Final answer
    x = 87,546.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.