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Finding the Fourth Proportional to 255,754.56, 352,811.76 and 170,996.16

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Solution

The fourth proportional to 255,754.56, 352,811.76 and 170,996.16 is: 235,888.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,754.56 : 352,811.76 = 170,996.16 : x
  2. Step 2: Convert to fraction form
    255,754.56/352,811.76 = 170,996.16/x
  3. Step 3: Cross multiply
    255,754.56x = 352,811.76 × 170,996.16
  4. Step 4: Simplify right side
    255,754.56x = 60,329,456,162.84
  5. Step 5: Solve for x
    x = 60,329,456,162.84/255,754.56
  6. Step 6: Final answer
    x = 235,888.10

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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.