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Finding the Fourth Proportional to 70,556.82, 97,361.88 and 41,871.52

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Solution

The fourth proportional to 70,556.82, 97,361.88 and 41,871.52 is: 57,778.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,556.82 : 97,361.88 = 41,871.52 : x
  2. Step 2: Convert to fraction form
    70,556.82/97,361.88 = 41,871.52/x
  3. Step 3: Cross multiply
    70,556.82x = 97,361.88 × 41,871.52
  4. Step 4: Simplify right side
    70,556.82x = 4,076,689,880.63
  5. Step 5: Solve for x
    x = 4,076,689,880.63/70,556.82
  6. Step 6: Final answer
    x = 57,778.82

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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.