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Finding the Fourth Proportional to 68,127.84, 102,063.17 and 34,868.97

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Solution

The fourth proportional to 68,127.84, 102,063.17 and 34,868.97 is: 52,237.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,127.84 : 102,063.17 = 34,868.97 : x
  2. Step 2: Convert to fraction form
    68,127.84/102,063.17 = 34,868.97/x
  3. Step 3: Cross multiply
    68,127.84x = 102,063.17 × 34,868.97
  4. Step 4: Simplify right side
    68,127.84x = 3,558,837,700.01
  5. Step 5: Solve for x
    x = 3,558,837,700.01/68,127.84
  6. Step 6: Final answer
    x = 52,237.64

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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.