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Finding the Fourth Proportional to 69,364.96, 95,721.95 and 39,151.55

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Solution

The fourth proportional to 69,364.96, 95,721.95 and 39,151.55 is: 54,028.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,364.96 : 95,721.95 = 39,151.55 : x
  2. Step 2: Convert to fraction form
    69,364.96/95,721.95 = 39,151.55/x
  3. Step 3: Cross multiply
    69,364.96x = 95,721.95 × 39,151.55
  4. Step 4: Simplify right side
    69,364.96x = 3,747,663,048.71
  5. Step 5: Solve for x
    x = 3,747,663,048.71/69,364.96
  6. Step 6: Final answer
    x = 54,028.19

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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.