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Finding the Fourth Proportional to 365,892.20, 548,522.88 and 141,410.12

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Solution

The fourth proportional to 365,892.20, 548,522.88 and 141,410.12 is: 211,993.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,892.20 : 548,522.88 = 141,410.12 : x
  2. Step 2: Convert to fraction form
    365,892.20/548,522.88 = 141,410.12/x
  3. Step 3: Cross multiply
    365,892.20x = 548,522.88 × 141,410.12
  4. Step 4: Simplify right side
    365,892.20x = 77,566,686,283.55
  5. Step 5: Solve for x
    x = 77,566,686,283.55/365,892.20
  6. Step 6: Final answer
    x = 211,993.28

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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.