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Finding the Fourth Proportional to 173,200.80, 259,363.80 and 165,327.60

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Solution

The fourth proportional to 173,200.80, 259,363.80 and 165,327.60 is: 247,573.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,200.80 : 259,363.80 = 165,327.60 : x
  2. Step 2: Convert to fraction form
    173,200.80/259,363.80 = 165,327.60/x
  3. Step 3: Cross multiply
    173,200.80x = 259,363.80 × 165,327.60
  4. Step 4: Simplify right side
    173,200.80x = 42,879,994,580.88
  5. Step 5: Solve for x
    x = 42,879,994,580.88/173,200.80
  6. Step 6: Final answer
    x = 247,573.88

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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.