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Finding the Fourth Proportional to 64,245.66, 96,193.53 and 49,964.55

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Solution

The fourth proportional to 64,245.66, 96,193.53 and 49,964.55 is: 74,810.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,245.66 : 96,193.53 = 49,964.55 : x
  2. Step 2: Convert to fraction form
    64,245.66/96,193.53 = 49,964.55/x
  3. Step 3: Cross multiply
    64,245.66x = 96,193.53 × 49,964.55
  4. Step 4: Simplify right side
    64,245.66x = 4,806,266,439.36
  5. Step 5: Solve for x
    x = 4,806,266,439.36/64,245.66
  6. Step 6: Final answer
    x = 74,810.76

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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.