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Finding the Fourth Proportional to 43,162.30, 64,751.61 and 16,865.38

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Solution

The fourth proportional to 43,162.30, 64,751.61 and 16,865.38 is: 25,301.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,162.30 : 64,751.61 = 16,865.38 : x
  2. Step 2: Convert to fraction form
    43,162.30/64,751.61 = 16,865.38/x
  3. Step 3: Cross multiply
    43,162.30x = 64,751.61 × 16,865.38
  4. Step 4: Simplify right side
    43,162.30x = 1,092,060,184.50
  5. Step 5: Solve for x
    x = 1,092,060,184.50/43,162.30
  6. Step 6: Final answer
    x = 25,301.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.