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Finding the Fourth Proportional to 73,401.60, 110,145.60 and 26,659.20

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Solution

The fourth proportional to 73,401.60, 110,145.60 and 26,659.20 is: 40,004.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,401.60 : 110,145.60 = 26,659.20 : x
  2. Step 2: Convert to fraction form
    73,401.60/110,145.60 = 26,659.20/x
  3. Step 3: Cross multiply
    73,401.60x = 110,145.60 × 26,659.20
  4. Step 4: Simplify right side
    73,401.60x = 2,936,393,579.52
  5. Step 5: Solve for x
    x = 2,936,393,579.52/73,401.60
  6. Step 6: Final answer
    x = 40,004.49

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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.