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Finding the Fourth Proportional to 72,934.87, 100,512.73 and 52,757.54

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Solution

The fourth proportional to 72,934.87, 100,512.73 and 52,757.54 is: 72,706.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,934.87 : 100,512.73 = 52,757.54 : x
  2. Step 2: Convert to fraction form
    72,934.87/100,512.73 = 52,757.54/x
  3. Step 3: Cross multiply
    72,934.87x = 100,512.73 × 52,757.54
  4. Step 4: Simplify right side
    72,934.87x = 5,302,804,373.48
  5. Step 5: Solve for x
    x = 5,302,804,373.48/72,934.87
  6. Step 6: Final answer
    x = 72,706.02

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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.