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Finding the Fourth Proportional to 64,618.82, 96,912.03 and 45,844.10

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Solution

The fourth proportional to 64,618.82, 96,912.03 and 45,844.10 is: 68,754.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,618.82 : 96,912.03 = 45,844.10 : x
  2. Step 2: Convert to fraction form
    64,618.82/96,912.03 = 45,844.10/x
  3. Step 3: Cross multiply
    64,618.82x = 96,912.03 × 45,844.10
  4. Step 4: Simplify right side
    64,618.82x = 4,442,844,794.52
  5. Step 5: Solve for x
    x = 4,442,844,794.52/64,618.82
  6. Step 6: Final answer
    x = 68,754.66

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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.