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Finding the Fourth Proportional to 186,462.43, 257,318.17 and 101,579.49

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Solution

The fourth proportional to 186,462.43, 257,318.17 and 101,579.49 is: 140,179.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,462.43 : 257,318.17 = 101,579.49 : x
  2. Step 2: Convert to fraction form
    186,462.43/257,318.17 = 101,579.49/x
  3. Step 3: Cross multiply
    186,462.43x = 257,318.17 × 101,579.49
  4. Step 4: Simplify right side
    186,462.43x = 26,138,248,946.09
  5. Step 5: Solve for x
    x = 26,138,248,946.09/186,462.43
  6. Step 6: Final answer
    x = 140,179.71

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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.