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Finding the Fourth Proportional to 63,613.60, 95,420.40 and 48,896.80

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Solution

The fourth proportional to 63,613.60, 95,420.40 and 48,896.80 is: 73,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,613.60 : 95,420.40 = 48,896.80 : x
  2. Step 2: Convert to fraction form
    63,613.60/95,420.40 = 48,896.80/x
  3. Step 3: Cross multiply
    63,613.60x = 95,420.40 × 48,896.80
  4. Step 4: Simplify right side
    63,613.60x = 4,665,752,214.72
  5. Step 5: Solve for x
    x = 4,665,752,214.72/63,613.60
  6. Step 6: Final answer
    x = 73,345.20

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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.