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Finding the Fourth Proportional to 84,361.68, 116,414.55 and 46,633.50

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Solution

The fourth proportional to 84,361.68, 116,414.55 and 46,633.50 is: 64,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,361.68 : 116,414.55 = 46,633.50 : x
  2. Step 2: Convert to fraction form
    84,361.68/116,414.55 = 46,633.50/x
  3. Step 3: Cross multiply
    84,361.68x = 116,414.55 × 46,633.50
  4. Step 4: Simplify right side
    84,361.68x = 5,428,817,917.43
  5. Step 5: Solve for x
    x = 5,428,817,917.43/84,361.68
  6. Step 6: Final answer
    x = 64,351.70

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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.