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Finding the Fourth Proportional to 205,559.94, 308,373.18 and 63,371.97

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Solution

The fourth proportional to 205,559.94, 308,373.18 and 63,371.97 is: 95,068.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,559.94 : 308,373.18 = 63,371.97 : x
  2. Step 2: Convert to fraction form
    205,559.94/308,373.18 = 63,371.97/x
  3. Step 3: Cross multiply
    205,559.94x = 308,373.18 × 63,371.97
  4. Step 4: Simplify right side
    205,559.94x = 19,542,215,911.76
  5. Step 5: Solve for x
    x = 19,542,215,911.76/205,559.94
  6. Step 6: Final answer
    x = 95,068.21

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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.