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Finding the Fourth Proportional to 107,601.80, 161,208.30 and 92,049.80

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Solution

The fourth proportional to 107,601.80, 161,208.30 and 92,049.80 is: 137,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,601.80 : 161,208.30 = 92,049.80 : x
  2. Step 2: Convert to fraction form
    107,601.80/161,208.30 = 92,049.80/x
  3. Step 3: Cross multiply
    107,601.80x = 161,208.30 × 92,049.80
  4. Step 4: Simplify right side
    107,601.80x = 14,839,191,773.34
  5. Step 5: Solve for x
    x = 14,839,191,773.34/107,601.80
  6. Step 6: Final answer
    x = 137,908.40

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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.