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Finding the Fourth Proportional to 68,923.02, 95,149.89 and 46,380.54

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Solution

The fourth proportional to 68,923.02, 95,149.89 and 46,380.54 is: 64,029.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,923.02 : 95,149.89 = 46,380.54 : x
  2. Step 2: Convert to fraction form
    68,923.02/95,149.89 = 46,380.54/x
  3. Step 3: Cross multiply
    68,923.02x = 95,149.89 × 46,380.54
  4. Step 4: Simplify right side
    68,923.02x = 4,413,103,279.14
  5. Step 5: Solve for x
    x = 4,413,103,279.14/68,923.02
  6. Step 6: Final answer
    x = 64,029.45

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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.