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Finding the Fourth Proportional to 57,227.88, 78,941.88 and 45,910.02

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Solution

The fourth proportional to 57,227.88, 78,941.88 and 45,910.02 is: 63,329.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,227.88 : 78,941.88 = 45,910.02 : x
  2. Step 2: Convert to fraction form
    57,227.88/78,941.88 = 45,910.02/x
  3. Step 3: Cross multiply
    57,227.88x = 78,941.88 × 45,910.02
  4. Step 4: Simplify right side
    57,227.88x = 3,624,223,289.64
  5. Step 5: Solve for x
    x = 3,624,223,289.64/57,227.88
  6. Step 6: Final answer
    x = 63,329.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.