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Finding the Fourth Proportional to 170,676.71, 255,992.58 and 50,731.10

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Solution

The fourth proportional to 170,676.71, 255,992.58 and 50,731.10 is: 76,089.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,676.71 : 255,992.58 = 50,731.10 : x
  2. Step 2: Convert to fraction form
    170,676.71/255,992.58 = 50,731.10/x
  3. Step 3: Cross multiply
    170,676.71x = 255,992.58 × 50,731.10
  4. Step 4: Simplify right side
    170,676.71x = 12,986,783,895.28
  5. Step 5: Solve for x
    x = 12,986,783,895.28/170,676.71
  6. Step 6: Final answer
    x = 76,089.96

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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.