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Finding the Fourth Proportional to 76,392.94, 114,520.14 and 41,291.59

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Solution

The fourth proportional to 76,392.94, 114,520.14 and 41,291.59 is: 61,899.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,392.94 : 114,520.14 = 41,291.59 : x
  2. Step 2: Convert to fraction form
    76,392.94/114,520.14 = 41,291.59/x
  3. Step 3: Cross multiply
    76,392.94x = 114,520.14 × 41,291.59
  4. Step 4: Simplify right side
    76,392.94x = 4,728,718,667.62
  5. Step 5: Solve for x
    x = 4,728,718,667.62/76,392.94
  6. Step 6: Final answer
    x = 61,899.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.