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Finding the Fourth Proportional to 84,619.62, 116,775.08 and 46,893.88

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Solution

The fourth proportional to 84,619.62, 116,775.08 and 46,893.88 is: 64,713.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,619.62 : 116,775.08 = 46,893.88 : x
  2. Step 2: Convert to fraction form
    84,619.62/116,775.08 = 46,893.88/x
  3. Step 3: Cross multiply
    84,619.62x = 116,775.08 × 46,893.88
  4. Step 4: Simplify right side
    84,619.62x = 5,476,036,588.51
  5. Step 5: Solve for x
    x = 5,476,036,588.51/84,619.62
  6. Step 6: Final answer
    x = 64,713.56

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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.