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Finding the Fourth Proportional to 79,414.77, 109,593.63 and 43,608

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Solution

The fourth proportional to 79,414.77, 109,593.63 and 43,608 is: 60,179.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,414.77 : 109,593.63 = 43,608 : x
  2. Step 2: Convert to fraction form
    79,414.77/109,593.63 = 43,608/x
  3. Step 3: Cross multiply
    79,414.77x = 109,593.63 × 43,608
  4. Step 4: Simplify right side
    79,414.77x = 4,779,159,017.04
  5. Step 5: Solve for x
    x = 4,779,159,017.04/79,414.77
  6. Step 6: Final answer
    x = 60,179.72

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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.