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Finding the Fourth Proportional to 144,855.88, 200,175.30 and 108,983.56

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Solution

The fourth proportional to 144,855.88, 200,175.30 and 108,983.56 is: 150,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,855.88 : 200,175.30 = 108,983.56 : x
  2. Step 2: Convert to fraction form
    144,855.88/200,175.30 = 108,983.56/x
  3. Step 3: Cross multiply
    144,855.88x = 200,175.30 × 108,983.56
  4. Step 4: Simplify right side
    144,855.88x = 21,815,816,818.07
  5. Step 5: Solve for x
    x = 21,815,816,818.07/144,855.88
  6. Step 6: Final answer
    x = 150,603.60

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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.