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Finding the Fourth Proportional to 77,425.87, 116,040.81 and 44,164.64

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Solution

The fourth proportional to 77,425.87, 116,040.81 and 44,164.64 is: 66,191.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,425.87 : 116,040.81 = 44,164.64 : x
  2. Step 2: Convert to fraction form
    77,425.87/116,040.81 = 44,164.64/x
  3. Step 3: Cross multiply
    77,425.87x = 116,040.81 × 44,164.64
  4. Step 4: Simplify right side
    77,425.87x = 5,124,900,018.75
  5. Step 5: Solve for x
    x = 5,124,900,018.75/77,425.87
  6. Step 6: Final answer
    x = 66,191.06

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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.