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Finding the Fourth Proportional to 144,888.75, 199,947.20 and 84,501.27

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Solution

The fourth proportional to 144,888.75, 199,947.20 and 84,501.27 is: 116,612.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,888.75 : 199,947.20 = 84,501.27 : x
  2. Step 2: Convert to fraction form
    144,888.75/199,947.20 = 84,501.27/x
  3. Step 3: Cross multiply
    144,888.75x = 199,947.20 × 84,501.27
  4. Step 4: Simplify right side
    144,888.75x = 16,895,791,910.44
  5. Step 5: Solve for x
    x = 16,895,791,910.44/144,888.75
  6. Step 6: Final answer
    x = 116,612.17

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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.