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Finding the Fourth Proportional to 84,268.80, 116,288.64 and 46,540.80

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Solution

The fourth proportional to 84,268.80, 116,288.64 and 46,540.80 is: 64,225.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,268.80 : 116,288.64 = 46,540.80 : x
  2. Step 2: Convert to fraction form
    84,268.80/116,288.64 = 46,540.80/x
  3. Step 3: Cross multiply
    84,268.80x = 116,288.64 × 46,540.80
  4. Step 4: Simplify right side
    84,268.80x = 5,412,166,336.51
  5. Step 5: Solve for x
    x = 5,412,166,336.51/84,268.80
  6. Step 6: Final answer
    x = 64,225.03

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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.