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Finding the Fourth Proportional to 170,696.98, 256,025.28 and 107,329.96

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Solution

The fourth proportional to 170,696.98, 256,025.28 and 107,329.96 is: 160,982.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,696.98 : 256,025.28 = 107,329.96 : x
  2. Step 2: Convert to fraction form
    170,696.98/256,025.28 = 107,329.96/x
  3. Step 3: Cross multiply
    170,696.98x = 256,025.28 × 107,329.96
  4. Step 4: Simplify right side
    170,696.98x = 27,479,183,061.39
  5. Step 5: Solve for x
    x = 27,479,183,061.39/170,696.98
  6. Step 6: Final answer
    x = 160,982.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.