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Finding the Fourth Proportional to 55,901.80, 83,852.70 and 50,372.20

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Solution

The fourth proportional to 55,901.80, 83,852.70 and 50,372.20 is: 75,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,901.80 : 83,852.70 = 50,372.20 : x
  2. Step 2: Convert to fraction form
    55,901.80/83,852.70 = 50,372.20/x
  3. Step 3: Cross multiply
    55,901.80x = 83,852.70 × 50,372.20
  4. Step 4: Simplify right side
    55,901.80x = 4,223,844,974.94
  5. Step 5: Solve for x
    x = 4,223,844,974.94/55,901.80
  6. Step 6: Final answer
    x = 75,558.30

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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.