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Finding the Fourth Proportional to 79,344.41, 118,958.30 and 37,820.57

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Solution

The fourth proportional to 79,344.41, 118,958.30 and 37,820.57 is: 56,703.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,344.41 : 118,958.30 = 37,820.57 : x
  2. Step 2: Convert to fraction form
    79,344.41/118,958.30 = 37,820.57/x
  3. Step 3: Cross multiply
    79,344.41x = 118,958.30 × 37,820.57
  4. Step 4: Simplify right side
    79,344.41x = 4,499,070,523.13
  5. Step 5: Solve for x
    x = 4,499,070,523.13/79,344.41
  6. Step 6: Final answer
    x = 56,703.06

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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.