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Finding the Fourth Proportional to 84,652.62, 126,867.51 and 47,230.30

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Solution

The fourth proportional to 84,652.62, 126,867.51 and 47,230.30 is: 70,783.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,652.62 : 126,867.51 = 47,230.30 : x
  2. Step 2: Convert to fraction form
    84,652.62/126,867.51 = 47,230.30/x
  3. Step 3: Cross multiply
    84,652.62x = 126,867.51 × 47,230.30
  4. Step 4: Simplify right side
    84,652.62x = 5,991,990,557.55
  5. Step 5: Solve for x
    x = 5,991,990,557.55/84,652.62
  6. Step 6: Final answer
    x = 70,783.29

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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.