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Finding the Fourth Proportional to 93,394.11, 140,090.72 and 43,446.68

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Solution

The fourth proportional to 93,394.11, 140,090.72 and 43,446.68 is: 65,169.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,394.11 : 140,090.72 = 43,446.68 : x
  2. Step 2: Convert to fraction form
    93,394.11/140,090.72 = 43,446.68/x
  3. Step 3: Cross multiply
    93,394.11x = 140,090.72 × 43,446.68
  4. Step 4: Simplify right side
    93,394.11x = 6,086,476,290.46
  5. Step 5: Solve for x
    x = 6,086,476,290.46/93,394.11
  6. Step 6: Final answer
    x = 65,169.81

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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.