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Finding the Fourth Proportional to 170,676.57, 255,930.59 and 52,319.37

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Solution

The fourth proportional to 170,676.57, 255,930.59 and 52,319.37 is: 78,453.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,676.57 : 255,930.59 = 52,319.37 : x
  2. Step 2: Convert to fraction form
    170,676.57/255,930.59 = 52,319.37/x
  3. Step 3: Cross multiply
    170,676.57x = 255,930.59 × 52,319.37
  4. Step 4: Simplify right side
    170,676.57x = 13,390,126,970.93
  5. Step 5: Solve for x
    x = 13,390,126,970.93/170,676.57
  6. Step 6: Final answer
    x = 78,453.22

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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.