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Finding the Fourth Proportional to 84,323.97, 116,383.41 and 54,147.42

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Solution

The fourth proportional to 84,323.97, 116,383.41 and 54,147.42 is: 74,733.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,323.97 : 116,383.41 = 54,147.42 : x
  2. Step 2: Convert to fraction form
    84,323.97/116,383.41 = 54,147.42/x
  3. Step 3: Cross multiply
    84,323.97x = 116,383.41 × 54,147.42
  4. Step 4: Simplify right side
    84,323.97x = 6,301,861,382.30
  5. Step 5: Solve for x
    x = 6,301,861,382.30/84,323.97
  6. Step 6: Final answer
    x = 74,733.93

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1.5x scale

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.