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Finding the Fourth Proportional to 68,188.01, 101,997.16 and 47,923.35

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Solution

The fourth proportional to 68,188.01, 101,997.16 and 47,923.35 is: 71,684.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,188.01 : 101,997.16 = 47,923.35 : x
  2. Step 2: Convert to fraction form
    68,188.01/101,997.16 = 47,923.35/x
  3. Step 3: Cross multiply
    68,188.01x = 101,997.16 × 47,923.35
  4. Step 4: Simplify right side
    68,188.01x = 4,888,045,597.69
  5. Step 5: Solve for x
    x = 4,888,045,597.69/68,188.01
  6. Step 6: Final answer
    x = 71,684.83

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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.