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Finding the Fourth Proportional to 165,180.80, 247,771.20 and 60,003.20

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Solution

The fourth proportional to 165,180.80, 247,771.20 and 60,003.20 is: 90,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,180.80 : 247,771.20 = 60,003.20 : x
  2. Step 2: Convert to fraction form
    165,180.80/247,771.20 = 60,003.20/x
  3. Step 3: Cross multiply
    165,180.80x = 247,771.20 × 60,003.20
  4. Step 4: Simplify right side
    165,180.80x = 14,867,064,867.84
  5. Step 5: Solve for x
    x = 14,867,064,867.84/165,180.80
  6. Step 6: Final answer
    x = 90,004.80

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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.