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Finding the Fourth Proportional to 252,591.44, 348,551.37 and 139,406.90

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Solution

The fourth proportional to 252,591.44, 348,551.37 and 139,406.90 is: 192,367.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,591.44 : 348,551.37 = 139,406.90 : x
  2. Step 2: Convert to fraction form
    252,591.44/348,551.37 = 139,406.90/x
  3. Step 3: Cross multiply
    252,591.44x = 348,551.37 × 139,406.90
  4. Step 4: Simplify right side
    252,591.44x = 48,590,465,982.45
  5. Step 5: Solve for x
    x = 48,590,465,982.45/252,591.44
  6. Step 6: Final answer
    x = 192,367.83

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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.