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Finding the Fourth Proportional to 84,607.85, 116,758.96 and 46,361.32

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Solution

The fourth proportional to 84,607.85, 116,758.96 and 46,361.32 is: 63,978.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,607.85 : 116,758.96 = 46,361.32 : x
  2. Step 2: Convert to fraction form
    84,607.85/116,758.96 = 46,361.32/x
  3. Step 3: Cross multiply
    84,607.85x = 116,758.96 × 46,361.32
  4. Step 4: Simplify right side
    84,607.85x = 5,413,099,507.43
  5. Step 5: Solve for x
    x = 5,413,099,507.43/84,607.85
  6. Step 6: Final answer
    x = 63,978.69

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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.