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Finding the Fourth Proportional to 79,610.48, 109,861.65 and 43,800.52

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Solution

The fourth proportional to 79,610.48, 109,861.65 and 43,800.52 is: 60,444.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,610.48 : 109,861.65 = 43,800.52 : x
  2. Step 2: Convert to fraction form
    79,610.48/109,861.65 = 43,800.52/x
  3. Step 3: Cross multiply
    79,610.48x = 109,861.65 × 43,800.52
  4. Step 4: Simplify right side
    79,610.48x = 4,811,996,848.75
  5. Step 5: Solve for x
    x = 4,811,996,848.75/79,610.48
  6. Step 6: Final answer
    x = 60,444.26

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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.