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Finding the Fourth Proportional to 63,999.20, 95,998.80 and 48,447.20

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Solution

The fourth proportional to 63,999.20, 95,998.80 and 48,447.20 is: 72,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,999.20 : 95,998.80 = 48,447.20 : x
  2. Step 2: Convert to fraction form
    63,999.20/95,998.80 = 48,447.20/x
  3. Step 3: Cross multiply
    63,999.20x = 95,998.80 × 48,447.20
  4. Step 4: Simplify right side
    63,999.20x = 4,650,873,063.36
  5. Step 5: Solve for x
    x = 4,650,873,063.36/63,999.20
  6. Step 6: Final answer
    x = 72,670.80

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Similar ratio
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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.