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Finding the Fourth Proportional to 93,496.98, 140,141.58 and 71,236.97

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Solution

The fourth proportional to 93,496.98, 140,141.58 and 71,236.97 is: 106,776.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,496.98 : 140,141.58 = 71,236.97 : x
  2. Step 2: Convert to fraction form
    93,496.98/140,141.58 = 71,236.97/x
  3. Step 3: Cross multiply
    93,496.98x = 140,141.58 × 71,236.97
  4. Step 4: Simplify right side
    93,496.98x = 9,983,261,530.21
  5. Step 5: Solve for x
    x = 9,983,261,530.21/93,496.98
  6. Step 6: Final answer
    x = 106,776.30

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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.