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Finding the Fourth Proportional to 365,355.20, 548,087.48 and 112,614.68

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Solution

The fourth proportional to 365,355.20, 548,087.48 and 112,614.68 is: 168,938.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,355.20 : 548,087.48 = 112,614.68 : x
  2. Step 2: Convert to fraction form
    365,355.20/548,087.48 = 112,614.68/x
  3. Step 3: Cross multiply
    365,355.20x = 548,087.48 × 112,614.68
  4. Step 4: Simplify right side
    365,355.20x = 61,722,697,401.66
  5. Step 5: Solve for x
    x = 61,722,697,401.66/365,355.20
  6. Step 6: Final answer
    x = 168,938.88

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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.