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Finding the Fourth Proportional to 93,682.58, 140,525.70 and 34,487.78

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Solution

The fourth proportional to 93,682.58, 140,525.70 and 34,487.78 is: 51,732.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,682.58 : 140,525.70 = 34,487.78 : x
  2. Step 2: Convert to fraction form
    93,682.58/140,525.70 = 34,487.78/x
  3. Step 3: Cross multiply
    93,682.58x = 140,525.70 × 34,487.78
  4. Step 4: Simplify right side
    93,682.58x = 4,846,419,647.93
  5. Step 5: Solve for x
    x = 4,846,419,647.93/93,682.58
  6. Step 6: Final answer
    x = 51,732.34

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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.