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Finding the Fourth Proportional to 120,699.75, 181,078.89 and 37,593.75

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Solution

The fourth proportional to 120,699.75, 181,078.89 and 37,593.75 is: 56,399.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,699.75 : 181,078.89 = 37,593.75 : x
  2. Step 2: Convert to fraction form
    120,699.75/181,078.89 = 37,593.75/x
  3. Step 3: Cross multiply
    120,699.75x = 181,078.89 × 37,593.75
  4. Step 4: Simplify right side
    120,699.75x = 6,807,434,520.94
  5. Step 5: Solve for x
    x = 6,807,434,520.94/120,699.75
  6. Step 6: Final answer
    x = 56,399.74

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1.5x scale

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.