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Finding the Fourth Proportional to 68,464.82, 94,346.86 and 52,350.37

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Solution

The fourth proportional to 68,464.82, 94,346.86 and 52,350.37 is: 72,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,464.82 : 94,346.86 = 52,350.37 : x
  2. Step 2: Convert to fraction form
    68,464.82/94,346.86 = 52,350.37/x
  3. Step 3: Cross multiply
    68,464.82x = 94,346.86 × 52,350.37
  4. Step 4: Simplify right side
    68,464.82x = 4,939,093,029.34
  5. Step 5: Solve for x
    x = 4,939,093,029.34/68,464.82
  6. Step 6: Final answer
    x = 72,140.60

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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.