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Finding the Fourth Proportional to 93,503.80, 140,172.27 and 40,871.62

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Solution

The fourth proportional to 93,503.80, 140,172.27 and 40,871.62 is: 61,270.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,503.80 : 140,172.27 = 40,871.62 : x
  2. Step 2: Convert to fraction form
    93,503.80/140,172.27 = 40,871.62/x
  3. Step 3: Cross multiply
    93,503.80x = 140,172.27 × 40,871.62
  4. Step 4: Simplify right side
    93,503.80x = 5,729,067,753.98
  5. Step 5: Solve for x
    x = 5,729,067,753.98/93,503.80
  6. Step 6: Final answer
    x = 61,270.96

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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.