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Finding the Fourth Proportional to 144,849.80, 188,512.10 and 144,849.80

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Solution

The fourth proportional to 144,849.80, 188,512.10 and 144,849.80 is: 188,512.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,849.80 : 188,512.10 = 144,849.80 : x
  2. Step 2: Convert to fraction form
    144,849.80/188,512.10 = 144,849.80/x
  3. Step 3: Cross multiply
    144,849.80x = 188,512.10 × 144,849.80
  4. Step 4: Simplify right side
    144,849.80x = 27,305,939,982.58
  5. Step 5: Solve for x
    x = 27,305,939,982.58/144,849.80
  6. Step 6: Final answer
    x = 188,512.10

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.