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Finding the Fourth Proportional to 77,494.44, 106,914.82 and 50,652.45

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Solution

The fourth proportional to 77,494.44, 106,914.82 and 50,652.45 is: 69,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,494.44 : 106,914.82 = 50,652.45 : x
  2. Step 2: Convert to fraction form
    77,494.44/106,914.82 = 50,652.45/x
  3. Step 3: Cross multiply
    77,494.44x = 106,914.82 × 50,652.45
  4. Step 4: Simplify right side
    77,494.44x = 5,415,497,574.31
  5. Step 5: Solve for x
    x = 5,415,497,574.31/77,494.44
  6. Step 6: Final answer
    x = 69,882.40

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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.