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Finding the Fourth Proportional to 121,809.39, 182,745.60 and 37,567.69

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Solution

The fourth proportional to 121,809.39, 182,745.60 and 37,567.69 is: 56,361.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,809.39 : 182,745.60 = 37,567.69 : x
  2. Step 2: Convert to fraction form
    121,809.39/182,745.60 = 37,567.69/x
  3. Step 3: Cross multiply
    121,809.39x = 182,745.60 × 37,567.69
  4. Step 4: Simplify right side
    121,809.39x = 6,865,330,049.66
  5. Step 5: Solve for x
    x = 6,865,330,049.66/121,809.39
  6. Step 6: Final answer
    x = 56,361.25

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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.