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Finding the Fourth Proportional to 69,364.71, 95,723.63 and 39,151.31

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Solution

The fourth proportional to 69,364.71, 95,723.63 and 39,151.31 is: 54,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,364.71 : 95,723.63 = 39,151.31 : x
  2. Step 2: Convert to fraction form
    69,364.71/95,723.63 = 39,151.31/x
  3. Step 3: Cross multiply
    69,364.71x = 95,723.63 × 39,151.31
  4. Step 4: Simplify right side
    69,364.71x = 3,747,704,838.08
  5. Step 5: Solve for x
    x = 3,747,704,838.08/69,364.71
  6. Step 6: Final answer
    x = 54,028.98

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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.