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Finding the Fourth Proportional to 252,591.60, 348,579.30 and 139,414.44

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Solution

The fourth proportional to 252,591.60, 348,579.30 and 139,414.44 is: 192,393.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,591.60 : 348,579.30 = 139,414.44 : x
  2. Step 2: Convert to fraction form
    252,591.60/348,579.30 = 139,414.44/x
  3. Step 3: Cross multiply
    252,591.60x = 348,579.30 × 139,414.44
  4. Step 4: Simplify right side
    252,591.60x = 48,596,987,905.09
  5. Step 5: Solve for x
    x = 48,596,987,905.09/252,591.60
  6. Step 6: Final answer
    x = 192,393.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.