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Finding the Fourth Proportional to 68,527.63, 102,806.56 and 29,118.43

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Solution

The fourth proportional to 68,527.63, 102,806.56 and 29,118.43 is: 43,684.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,527.63 : 102,806.56 = 29,118.43 : x
  2. Step 2: Convert to fraction form
    68,527.63/102,806.56 = 29,118.43/x
  3. Step 3: Cross multiply
    68,527.63x = 102,806.56 × 29,118.43
  4. Step 4: Simplify right side
    68,527.63x = 2,993,565,034.07
  5. Step 5: Solve for x
    x = 2,993,565,034.07/68,527.63
  6. Step 6: Final answer
    x = 43,684.06

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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.