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Finding the Fourth Proportional to 183,965.64, 275,988.28 and 55,871.43

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Solution

The fourth proportional to 183,965.64, 275,988.28 and 55,871.43 is: 83,819.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,965.64 : 275,988.28 = 55,871.43 : x
  2. Step 2: Convert to fraction form
    183,965.64/275,988.28 = 55,871.43/x
  3. Step 3: Cross multiply
    183,965.64x = 275,988.28 × 55,871.43
  4. Step 4: Simplify right side
    183,965.64x = 15,419,859,866.84
  5. Step 5: Solve for x
    x = 15,419,859,866.84/183,965.64
  6. Step 6: Final answer
    x = 83,819.24

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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.