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Finding the Fourth Proportional to 68,931.04, 95,160.96 and 46,388.56

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Solution

The fourth proportional to 68,931.04, 95,160.96 and 46,388.56 is: 64,040.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,931.04 : 95,160.96 = 46,388.56 : x
  2. Step 2: Convert to fraction form
    68,931.04/95,160.96 = 46,388.56/x
  3. Step 3: Cross multiply
    68,931.04x = 95,160.96 × 46,388.56
  4. Step 4: Simplify right side
    68,931.04x = 4,414,379,902.62
  5. Step 5: Solve for x
    x = 4,414,379,902.62/68,931.04
  6. Step 6: Final answer
    x = 64,040.52

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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.