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Finding the Fourth Proportional to 93,810.97, 140,768.39 and 34,685.43

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Solution

The fourth proportional to 93,810.97, 140,768.39 and 34,685.43 is: 52,047.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,810.97 : 140,768.39 = 34,685.43 : x
  2. Step 2: Convert to fraction form
    93,810.97/140,768.39 = 34,685.43/x
  3. Step 3: Cross multiply
    93,810.97x = 140,768.39 × 34,685.43
  4. Step 4: Simplify right side
    93,810.97x = 4,882,612,137.56
  5. Step 5: Solve for x
    x = 4,882,612,137.56/93,810.97
  6. Step 6: Final answer
    x = 52,047.35

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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.