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Finding the Fourth Proportional to 77,634, 107,134.92 and 44,100

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Solution

The fourth proportional to 77,634, 107,134.92 and 44,100 is: 60,858

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,634 : 107,134.92 = 44,100 : x
  2. Step 2: Convert to fraction form
    77,634/107,134.92 = 44,100/x
  3. Step 3: Cross multiply
    77,634x = 107,134.92 × 44,100
  4. Step 4: Simplify right side
    77,634x = 4,724,649,972
  5. Step 5: Solve for x
    x = 4,724,649,972/77,634
  6. Step 6: Final answer
    x = 60,858

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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.