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Finding the Fourth Proportional to 172,467.60, 258,996.60 and 93,735.60

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Solution

The fourth proportional to 172,467.60, 258,996.60 and 93,735.60 is: 140,763.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,467.60 : 258,996.60 = 93,735.60 : x
  2. Step 2: Convert to fraction form
    172,467.60/258,996.60 = 93,735.60/x
  3. Step 3: Cross multiply
    172,467.60x = 258,996.60 × 93,735.60
  4. Step 4: Simplify right side
    172,467.60x = 24,277,201,698.96
  5. Step 5: Solve for x
    x = 24,277,201,698.96/172,467.60
  6. Step 6: Final answer
    x = 140,763.84

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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.