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Finding the Fourth Proportional to 79,871.46, 119,825.64 and 23,710.33

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Solution

The fourth proportional to 79,871.46, 119,825.64 and 23,710.33 is: 35,570.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,871.46 : 119,825.64 = 23,710.33 : x
  2. Step 2: Convert to fraction form
    79,871.46/119,825.64 = 23,710.33/x
  3. Step 3: Cross multiply
    79,871.46x = 119,825.64 × 23,710.33
  4. Step 4: Simplify right side
    79,871.46x = 2,841,105,135.24
  5. Step 5: Solve for x
    x = 2,841,105,135.24/79,871.46
  6. Step 6: Final answer
    x = 35,570.97

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Why These Related Problems?

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