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Finding the Fourth Proportional to 69,968.96, 96,502.56 and 44,820.80

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Solution

The fourth proportional to 69,968.96, 96,502.56 and 44,820.80 is: 61,817.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,968.96 : 96,502.56 = 44,820.80 : x
  2. Step 2: Convert to fraction form
    69,968.96/96,502.56 = 44,820.80/x
  3. Step 3: Cross multiply
    69,968.96x = 96,502.56 × 44,820.80
  4. Step 4: Simplify right side
    69,968.96x = 4,325,321,941.25
  5. Step 5: Solve for x
    x = 4,325,321,941.25/69,968.96
  6. Step 6: Final answer
    x = 61,817.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.