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Finding the Fourth Proportional to 69,164.87, 95,491.66 and 56,448.43

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Solution

The fourth proportional to 69,164.87, 95,491.66 and 56,448.43 is: 77,934.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,164.87 : 95,491.66 = 56,448.43 : x
  2. Step 2: Convert to fraction form
    69,164.87/95,491.66 = 56,448.43/x
  3. Step 3: Cross multiply
    69,164.87x = 95,491.66 × 56,448.43
  4. Step 4: Simplify right side
    69,164.87x = 5,390,354,285.09
  5. Step 5: Solve for x
    x = 5,390,354,285.09/69,164.87
  6. Step 6: Final answer
    x = 77,934.86

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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.