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Finding the Fourth Proportional to 109,955.94, 151,713.96 and 62,198.88

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Solution

The fourth proportional to 109,955.94, 151,713.96 and 62,198.88 is: 85,820.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,955.94 : 151,713.96 = 62,198.88 : x
  2. Step 2: Convert to fraction form
    109,955.94/151,713.96 = 62,198.88/x
  3. Step 3: Cross multiply
    109,955.94x = 151,713.96 × 62,198.88
  4. Step 4: Simplify right side
    109,955.94x = 9,436,438,392.36
  5. Step 5: Solve for x
    x = 9,436,438,392.36/109,955.94
  6. Step 6: Final answer
    x = 85,820.18

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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.