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Finding the Fourth Proportional to 114,755, 158,358.48 and 63,767.57

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Solution

The fourth proportional to 114,755, 158,358.48 and 63,767.57 is: 87,997.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,755 : 158,358.48 = 63,767.57 : x
  2. Step 2: Convert to fraction form
    114,755/158,358.48 = 63,767.57/x
  3. Step 3: Cross multiply
    114,755x = 158,358.48 × 63,767.57
  4. Step 4: Simplify right side
    114,755x = 10,098,135,458.49
  5. Step 5: Solve for x
    x = 10,098,135,458.49/114,755
  6. Step 6: Final answer
    x = 87,997.35

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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.