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Finding the Fourth Proportional to 68,268.44, 94,254 and 64,953.92

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Solution

The fourth proportional to 68,268.44, 94,254 and 64,953.92 is: 89,677.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,268.44 : 94,254 = 64,953.92 : x
  2. Step 2: Convert to fraction form
    68,268.44/94,254 = 64,953.92/x
  3. Step 3: Cross multiply
    68,268.44x = 94,254 × 64,953.92
  4. Step 4: Simplify right side
    68,268.44x = 6,122,166,775.68
  5. Step 5: Solve for x
    x = 6,122,166,775.68/68,268.44
  6. Step 6: Final answer
    x = 89,677.85

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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.