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Finding the Fourth Proportional to 114,755.70, 158,359.70 and 63,767.12

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Solution

The fourth proportional to 114,755.70, 158,359.70 and 63,767.12 is: 87,996.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,755.70 : 158,359.70 = 63,767.12 : x
  2. Step 2: Convert to fraction form
    114,755.70/158,359.70 = 63,767.12/x
  3. Step 3: Cross multiply
    114,755.70x = 158,359.70 × 63,767.12
  4. Step 4: Simplify right side
    114,755.70x = 10,098,140,882.43
  5. Step 5: Solve for x
    x = 10,098,140,882.43/114,755.70
  6. Step 6: Final answer
    x = 87,996.86

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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.