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Finding the Fourth Proportional to 206,048.59, 309,117.29 and 63,891.01

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Solution

The fourth proportional to 206,048.59, 309,117.29 and 63,891.01 is: 95,850.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,048.59 : 309,117.29 = 63,891.01 : x
  2. Step 2: Convert to fraction form
    206,048.59/309,117.29 = 63,891.01/x
  3. Step 3: Cross multiply
    206,048.59x = 309,117.29 × 63,891.01
  4. Step 4: Simplify right side
    206,048.59x = 19,749,814,137.49
  5. Step 5: Solve for x
    x = 19,749,814,137.49/206,048.59
  6. Step 6: Final answer
    x = 95,850.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.