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Finding the Fourth Proportional to 133,183.56, 183,798.90 and 76,594.98

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Solution

The fourth proportional to 133,183.56, 183,798.90 and 76,594.98 is: 105,704.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,183.56 : 183,798.90 = 76,594.98 : x
  2. Step 2: Convert to fraction form
    133,183.56/183,798.90 = 76,594.98/x
  3. Step 3: Cross multiply
    133,183.56x = 183,798.90 × 76,594.98
  4. Step 4: Simplify right side
    133,183.56x = 14,078,073,069.52
  5. Step 5: Solve for x
    x = 14,078,073,069.52/133,183.56
  6. Step 6: Final answer
    x = 105,704.29

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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.