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Finding the Fourth Proportional to 186,003.43, 256,691.38 and 114,369.61

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Solution

The fourth proportional to 186,003.43, 256,691.38 and 114,369.61 is: 157,834.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,003.43 : 256,691.38 = 114,369.61 : x
  2. Step 2: Convert to fraction form
    186,003.43/256,691.38 = 114,369.61/x
  3. Step 3: Cross multiply
    186,003.43x = 256,691.38 × 114,369.61
  4. Step 4: Simplify right side
    186,003.43x = 29,357,692,769.98
  5. Step 5: Solve for x
    x = 29,357,692,769.98/186,003.43
  6. Step 6: Final answer
    x = 157,834.15

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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.