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Finding the Fourth Proportional to 114,640.82, 158,202.11 and 63,650.91

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Solution

The fourth proportional to 114,640.82, 158,202.11 and 63,650.91 is: 87,837.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,640.82 : 158,202.11 = 63,650.91 : x
  2. Step 2: Convert to fraction form
    114,640.82/158,202.11 = 63,650.91/x
  3. Step 3: Cross multiply
    114,640.82x = 158,202.11 × 63,650.91
  4. Step 4: Simplify right side
    114,640.82x = 10,069,709,017.81
  5. Step 5: Solve for x
    x = 10,069,709,017.81/114,640.82
  6. Step 6: Final answer
    x = 87,837.03

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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.