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Finding the Fourth Proportional to 76,494.73, 105,532.49 and 44,223.41

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Solution

The fourth proportional to 76,494.73, 105,532.49 and 44,223.41 is: 61,010.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,494.73 : 105,532.49 = 44,223.41 : x
  2. Step 2: Convert to fraction form
    76,494.73/105,532.49 = 44,223.41/x
  3. Step 3: Cross multiply
    76,494.73x = 105,532.49 × 44,223.41
  4. Step 4: Simplify right side
    76,494.73x = 4,667,005,824.81
  5. Step 5: Solve for x
    x = 4,667,005,824.81/76,494.73
  6. Step 6: Final answer
    x = 61,010.82

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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.