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Finding the Fourth Proportional to 73,936.63, 102,034.59 and 45,255.71

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Solution

The fourth proportional to 73,936.63, 102,034.59 and 45,255.71 is: 62,454.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,936.63 : 102,034.59 = 45,255.71 : x
  2. Step 2: Convert to fraction form
    73,936.63/102,034.59 = 45,255.71/x
  3. Step 3: Cross multiply
    73,936.63x = 102,034.59 × 45,255.71
  4. Step 4: Simplify right side
    73,936.63x = 4,617,647,588.73
  5. Step 5: Solve for x
    x = 4,617,647,588.73/73,936.63
  6. Step 6: Final answer
    x = 62,454.13

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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.