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Finding the Fourth Proportional to 170,016.64, 234,628.64 and 93,538.88

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Solution

The fourth proportional to 170,016.64, 234,628.64 and 93,538.88 is: 129,086.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,016.64 : 234,628.64 = 93,538.88 : x
  2. Step 2: Convert to fraction form
    170,016.64/234,628.64 = 93,538.88/x
  3. Step 3: Cross multiply
    170,016.64x = 234,628.64 × 93,538.88
  4. Step 4: Simplify right side
    170,016.64x = 21,946,900,201.52
  5. Step 5: Solve for x
    x = 21,946,900,201.52/170,016.64
  6. Step 6: Final answer
    x = 129,086.78

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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.