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Finding the Fourth Proportional to 79,382.35, 109,548.89 and 43,575.63

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Solution

The fourth proportional to 79,382.35, 109,548.89 and 43,575.63 is: 60,135.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,382.35 : 109,548.89 = 43,575.63 : x
  2. Step 2: Convert to fraction form
    79,382.35/109,548.89 = 43,575.63/x
  3. Step 3: Cross multiply
    79,382.35x = 109,548.89 × 43,575.63
  4. Step 4: Simplify right side
    79,382.35x = 4,773,661,897.55
  5. Step 5: Solve for x
    x = 4,773,661,897.55/79,382.35
  6. Step 6: Final answer
    x = 60,135.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.