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Finding the Fourth Proportional to 65,978.17, 98,965.86 and 16,058.54

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Solution

The fourth proportional to 65,978.17, 98,965.86 and 16,058.54 is: 24,087.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,978.17 : 98,965.86 = 16,058.54 : x
  2. Step 2: Convert to fraction form
    65,978.17/98,965.86 = 16,058.54/x
  3. Step 3: Cross multiply
    65,978.17x = 98,965.86 × 16,058.54
  4. Step 4: Simplify right side
    65,978.17x = 1,589,247,529.08
  5. Step 5: Solve for x
    x = 1,589,247,529.08/65,978.17
  6. Step 6: Final answer
    x = 24,087.48

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