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Finding the Fourth Proportional to 167,468.79, 230,979.69 and 115,871.79

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Solution

The fourth proportional to 167,468.79, 230,979.69 and 115,871.79 is: 159,815.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,468.79 : 230,979.69 = 115,871.79 : x
  2. Step 2: Convert to fraction form
    167,468.79/230,979.69 = 115,871.79/x
  3. Step 3: Cross multiply
    167,468.79x = 230,979.69 × 115,871.79
  4. Step 4: Simplify right side
    167,468.79x = 26,764,030,133.95
  5. Step 5: Solve for x
    x = 26,764,030,133.95/167,468.79
  6. Step 6: Final answer
    x = 159,815.03

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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.