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Finding the Fourth Proportional to 186,446.82, 257,295.29 and 101,563.88

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Solution

The fourth proportional to 186,446.82, 257,295.29 and 101,563.88 is: 140,157.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,446.82 : 257,295.29 = 101,563.88 : x
  2. Step 2: Convert to fraction form
    186,446.82/257,295.29 = 101,563.88/x
  3. Step 3: Cross multiply
    186,446.82x = 257,295.29 × 101,563.88
  4. Step 4: Simplify right side
    186,446.82x = 26,131,907,958.13
  5. Step 5: Solve for x
    x = 26,131,907,958.13/186,446.82
  6. Step 6: Final answer
    x = 140,157.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.