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Finding the Fourth Proportional to 55,903.50, 83,804.22 and 51,033.78

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Solution

The fourth proportional to 55,903.50, 83,804.22 and 51,033.78 is: 76,504.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,903.50 : 83,804.22 = 51,033.78 : x
  2. Step 2: Convert to fraction form
    55,903.50/83,804.22 = 51,033.78/x
  3. Step 3: Cross multiply
    55,903.50x = 83,804.22 × 51,033.78
  4. Step 4: Simplify right side
    55,903.50x = 4,276,846,126.55
  5. Step 5: Solve for x
    x = 4,276,846,126.55/55,903.50
  6. Step 6: Final answer
    x = 76,504.09

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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.