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Finding the Fourth Proportional to 73,401.60, 110,102.40 and 41,908.80

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Solution

The fourth proportional to 73,401.60, 110,102.40 and 41,908.80 is: 62,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,401.60 : 110,102.40 = 41,908.80 : x
  2. Step 2: Convert to fraction form
    73,401.60/110,102.40 = 41,908.80/x
  3. Step 3: Cross multiply
    73,401.60x = 110,102.40 × 41,908.80
  4. Step 4: Simplify right side
    73,401.60x = 4,614,259,461.12
  5. Step 5: Solve for x
    x = 4,614,259,461.12/73,401.60
  6. Step 6: Final answer
    x = 62,863.20

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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.