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Finding the Fourth Proportional to 144,891.75, 199,951.34 and 84,504.27

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Solution

The fourth proportional to 144,891.75, 199,951.34 and 84,504.27 is: 116,616.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,891.75 : 199,951.34 = 84,504.27 : x
  2. Step 2: Convert to fraction form
    144,891.75/199,951.34 = 84,504.27/x
  3. Step 3: Cross multiply
    144,891.75x = 199,951.34 × 84,504.27
  4. Step 4: Simplify right side
    144,891.75x = 16,896,742,022.22
  5. Step 5: Solve for x
    x = 16,896,742,022.22/144,891.75
  6. Step 6: Final answer
    x = 116,616.32

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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.