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Finding the Fourth Proportional to 68,596.21, 103,408.43 and 64,024

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Solution

The fourth proportional to 68,596.21, 103,408.43 and 64,024 is: 96,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,596.21 : 103,408.43 = 64,024 : x
  2. Step 2: Convert to fraction form
    68,596.21/103,408.43 = 64,024/x
  3. Step 3: Cross multiply
    68,596.21x = 103,408.43 × 64,024
  4. Step 4: Simplify right side
    68,596.21x = 6,620,621,322.32
  5. Step 5: Solve for x
    x = 6,620,621,322.32/68,596.21
  6. Step 6: Final answer
    x = 96,515.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.