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Finding the Fourth Proportional to 366,069.60, 548,845.20 and 141,343.20

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Solution

The fourth proportional to 366,069.60, 548,845.20 and 141,343.20 is: 211,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,069.60 : 548,845.20 = 141,343.20 : x
  2. Step 2: Convert to fraction form
    366,069.60/548,845.20 = 141,343.20/x
  3. Step 3: Cross multiply
    366,069.60x = 548,845.20 × 141,343.20
  4. Step 4: Simplify right side
    366,069.60x = 77,575,536,872.64
  5. Step 5: Solve for x
    x = 77,575,536,872.64/366,069.60
  6. Step 6: Final answer
    x = 211,914.72

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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.