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Finding the Fourth Proportional to 167,365.48, 230,867.94 and 100,258.60

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Solution

The fourth proportional to 167,365.48, 230,867.94 and 100,258.60 is: 138,299.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,365.48 : 230,867.94 = 100,258.60 : x
  2. Step 2: Convert to fraction form
    167,365.48/230,867.94 = 100,258.60/x
  3. Step 3: Cross multiply
    167,365.48x = 230,867.94 × 100,258.60
  4. Step 4: Simplify right side
    167,365.48x = 23,146,496,449.28
  5. Step 5: Solve for x
    x = 23,146,496,449.28/167,365.48
  6. Step 6: Final answer
    x = 138,299.11

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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.