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Finding the Fourth Proportional to 64,883.92, 97,326.06 and 18,137.20

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Solution

The fourth proportional to 64,883.92, 97,326.06 and 18,137.20 is: 27,205.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,883.92 : 97,326.06 = 18,137.20 : x
  2. Step 2: Convert to fraction form
    64,883.92/97,326.06 = 18,137.20/x
  3. Step 3: Cross multiply
    64,883.92x = 97,326.06 × 18,137.20
  4. Step 4: Simplify right side
    64,883.92x = 1,765,222,215.43
  5. Step 5: Solve for x
    x = 1,765,222,215.43/64,883.92
  6. Step 6: Final answer
    x = 27,205.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.