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Finding the Fourth Proportional to 68,950.56, 95,151.78 and 38,735.88

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Solution

The fourth proportional to 68,950.56, 95,151.78 and 38,735.88 is: 53,455.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,950.56 : 95,151.78 = 38,735.88 : x
  2. Step 2: Convert to fraction form
    68,950.56/95,151.78 = 38,735.88/x
  3. Step 3: Cross multiply
    68,950.56x = 95,151.78 × 38,735.88
  4. Step 4: Simplify right side
    68,950.56x = 3,685,787,931.87
  5. Step 5: Solve for x
    x = 3,685,787,931.87/68,950.56
  6. Step 6: Final answer
    x = 53,455.52

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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.