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Finding the Fourth Proportional to 63,954.99, 95,964.89 and 43,134.75

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Solution

The fourth proportional to 63,954.99, 95,964.89 and 43,134.75 is: 64,723.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,954.99 : 95,964.89 = 43,134.75 : x
  2. Step 2: Convert to fraction form
    63,954.99/95,964.89 = 43,134.75/x
  3. Step 3: Cross multiply
    63,954.99x = 95,964.89 × 43,134.75
  4. Step 4: Simplify right side
    63,954.99x = 4,139,421,323.25
  5. Step 5: Solve for x
    x = 4,139,421,323.25/63,954.99
  6. Step 6: Final answer
    x = 64,723.98

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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.