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Finding the Fourth Proportional to 68,587.81, 94,619.21 and 44,396.58

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Solution

The fourth proportional to 68,587.81, 94,619.21 and 44,396.58 is: 61,246.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,587.81 : 94,619.21 = 44,396.58 : x
  2. Step 2: Convert to fraction form
    68,587.81/94,619.21 = 44,396.58/x
  3. Step 3: Cross multiply
    68,587.81x = 94,619.21 × 44,396.58
  4. Step 4: Simplify right side
    68,587.81x = 4,200,769,567.62
  5. Step 5: Solve for x
    x = 4,200,769,567.62/68,587.81
  6. Step 6: Final answer
    x = 61,246.59

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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.