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Finding the Fourth Proportional to 117,480.22, 162,122.84 and 63,765.22

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Solution

The fourth proportional to 117,480.22, 162,122.84 and 63,765.22 is: 87,996.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,480.22 : 162,122.84 = 63,765.22 : x
  2. Step 2: Convert to fraction form
    117,480.22/162,122.84 = 63,765.22/x
  3. Step 3: Cross multiply
    117,480.22x = 162,122.84 × 63,765.22
  4. Step 4: Simplify right side
    117,480.22x = 10,337,798,313.73
  5. Step 5: Solve for x
    x = 10,337,798,313.73/117,480.22
  6. Step 6: Final answer
    x = 87,996.08

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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.