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Finding the Fourth Proportional to 170,393.33, 235,133.19 and 93,912.20

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Solution

The fourth proportional to 170,393.33, 235,133.19 and 93,912.20 is: 129,593.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,393.33 : 235,133.19 = 93,912.20 : x
  2. Step 2: Convert to fraction form
    170,393.33/235,133.19 = 93,912.20/x
  3. Step 3: Cross multiply
    170,393.33x = 235,133.19 × 93,912.20
  4. Step 4: Simplify right side
    170,393.33x = 22,081,873,990.25
  5. Step 5: Solve for x
    x = 22,081,873,990.25/170,393.33
  6. Step 6: Final answer
    x = 129,593.54

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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.