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Finding the Fourth Proportional to 88,241.42, 121,772.76 and 47,954.42

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Solution

The fourth proportional to 88,241.42, 121,772.76 and 47,954.42 is: 66,176.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,241.42 : 121,772.76 = 47,954.42 : x
  2. Step 2: Convert to fraction form
    88,241.42/121,772.76 = 47,954.42/x
  3. Step 3: Cross multiply
    88,241.42x = 121,772.76 × 47,954.42
  4. Step 4: Simplify right side
    88,241.42x = 5,839,542,077.60
  5. Step 5: Solve for x
    x = 5,839,542,077.60/88,241.42
  6. Step 6: Final answer
    x = 66,176.88

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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.