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Finding the Fourth Proportional to 67,846.60, 101,867.10 and 48,212.20

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Solution

The fourth proportional to 67,846.60, 101,867.10 and 48,212.20 is: 72,387.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,846.60 : 101,867.10 = 48,212.20 : x
  2. Step 2: Convert to fraction form
    67,846.60/101,867.10 = 48,212.20/x
  3. Step 3: Cross multiply
    67,846.60x = 101,867.10 × 48,212.20
  4. Step 4: Simplify right side
    67,846.60x = 4,911,236,998.62
  5. Step 5: Solve for x
    x = 4,911,236,998.62/67,846.60
  6. Step 6: Final answer
    x = 72,387.37

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1.5x scale

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.