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Finding the Fourth Proportional to 252,600.60, 348,591.72 and 139,423.44

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Solution

The fourth proportional to 252,600.60, 348,591.72 and 139,423.44 is: 192,405.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,600.60 : 348,591.72 = 139,423.44 : x
  2. Step 2: Convert to fraction form
    252,600.60/348,591.72 = 139,423.44/x
  3. Step 3: Cross multiply
    252,600.60x = 348,591.72 × 139,423.44
  4. Step 4: Simplify right side
    252,600.60x = 48,601,856,757.92
  5. Step 5: Solve for x
    x = 48,601,856,757.92/252,600.60
  6. Step 6: Final answer
    x = 192,405.94

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1.5x scale

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.