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Finding the Fourth Proportional to 115,750.89, 174,493.91 and 108,035.31

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Solution

The fourth proportional to 115,750.89, 174,493.91 and 108,035.31 is: 162,862.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,750.89 : 174,493.91 = 108,035.31 : x
  2. Step 2: Convert to fraction form
    115,750.89/174,493.91 = 108,035.31/x
  3. Step 3: Cross multiply
    115,750.89x = 174,493.91 × 108,035.31
  4. Step 4: Simplify right side
    115,750.89x = 18,851,503,119.79
  5. Step 5: Solve for x
    x = 18,851,503,119.79/115,750.89
  6. Step 6: Final answer
    x = 162,862.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.