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Finding the Fourth Proportional to 186,770.86, 257,743.24 and 101,887.31

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Solution

The fourth proportional to 186,770.86, 257,743.24 and 101,887.31 is: 140,604.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,770.86 : 257,743.24 = 101,887.31 : x
  2. Step 2: Convert to fraction form
    186,770.86/257,743.24 = 101,887.31/x
  3. Step 3: Cross multiply
    186,770.86x = 257,743.24 × 101,887.31
  4. Step 4: Simplify right side
    186,770.86x = 26,260,765,783.92
  5. Step 5: Solve for x
    x = 26,260,765,783.92/186,770.86
  6. Step 6: Final answer
    x = 140,604.19

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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.