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Finding the Fourth Proportional to 63,012.68, 94,339.20 and 48,003.20

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Solution

The fourth proportional to 63,012.68, 94,339.20 and 48,003.20 is: 71,867.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,012.68 : 94,339.20 = 48,003.20 : x
  2. Step 2: Convert to fraction form
    63,012.68/94,339.20 = 48,003.20/x
  3. Step 3: Cross multiply
    63,012.68x = 94,339.20 × 48,003.20
  4. Step 4: Simplify right side
    63,012.68x = 4,528,583,485.44
  5. Step 5: Solve for x
    x = 4,528,583,485.44/63,012.68
  6. Step 6: Final answer
    x = 71,867.81

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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.