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Finding the Fourth Proportional to 104,679, 144,395.46 and 62,235

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Solution

The fourth proportional to 104,679, 144,395.46 and 62,235 is: 85,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,679 : 144,395.46 = 62,235 : x
  2. Step 2: Convert to fraction form
    104,679/144,395.46 = 62,235/x
  3. Step 3: Cross multiply
    104,679x = 144,395.46 × 62,235
  4. Step 4: Simplify right side
    104,679x = 8,986,451,453.10
  5. Step 5: Solve for x
    x = 8,986,451,453.10/104,679
  6. Step 6: Final answer
    x = 85,847.70

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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.