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Finding the Fourth Proportional to 79,675.83, 109,950.50 and 43,866.11

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Solution

The fourth proportional to 79,675.83, 109,950.50 and 43,866.11 is: 60,534.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,675.83 : 109,950.50 = 43,866.11 : x
  2. Step 2: Convert to fraction form
    79,675.83/109,950.50 = 43,866.11/x
  3. Step 3: Cross multiply
    79,675.83x = 109,950.50 × 43,866.11
  4. Step 4: Simplify right side
    79,675.83x = 4,823,099,958.47
  5. Step 5: Solve for x
    x = 4,823,099,958.47/79,675.83
  6. Step 6: Final answer
    x = 60,534.04

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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.