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Finding the Fourth Proportional to 84,540.87, 116,664.96 and 46,814.31

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Solution

The fourth proportional to 84,540.87, 116,664.96 and 46,814.31 is: 64,602.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,540.87 : 116,664.96 = 46,814.31 : x
  2. Step 2: Convert to fraction form
    84,540.87/116,664.96 = 46,814.31/x
  3. Step 3: Cross multiply
    84,540.87x = 116,664.96 × 46,814.31
  4. Step 4: Simplify right side
    84,540.87x = 5,461,589,603.58
  5. Step 5: Solve for x
    x = 5,461,589,603.58/84,540.87
  6. Step 6: Final answer
    x = 64,602.95

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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.