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Finding the Fourth Proportional to 123,574.14, 185,375.79 and 92,606.22

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Solution

The fourth proportional to 123,574.14, 185,375.79 and 92,606.22 is: 138,920.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,574.14 : 185,375.79 = 92,606.22 : x
  2. Step 2: Convert to fraction form
    123,574.14/185,375.79 = 92,606.22/x
  3. Step 3: Cross multiply
    123,574.14x = 185,375.79 × 92,606.22
  4. Step 4: Simplify right side
    123,574.14x = 17,166,951,191.41
  5. Step 5: Solve for x
    x = 17,166,951,191.41/123,574.14
  6. Step 6: Final answer
    x = 138,920.26

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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.