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Finding the Fourth Proportional to 166,693.40, 230,035.02 and 91,241

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Solution

The fourth proportional to 166,693.40, 230,035.02 and 91,241 is: 125,911.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,693.40 : 230,035.02 = 91,241 : x
  2. Step 2: Convert to fraction form
    166,693.40/230,035.02 = 91,241/x
  3. Step 3: Cross multiply
    166,693.40x = 230,035.02 × 91,241
  4. Step 4: Simplify right side
    166,693.40x = 20,988,625,259.82
  5. Step 5: Solve for x
    x = 20,988,625,259.82/166,693.40
  6. Step 6: Final answer
    x = 125,911.56

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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.