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Finding the Fourth Proportional to 123,926.94, 171,020.22 and 67,338.32

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Solution

The fourth proportional to 123,926.94, 171,020.22 and 67,338.32 is: 92,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,926.94 : 171,020.22 = 67,338.32 : x
  2. Step 2: Convert to fraction form
    123,926.94/171,020.22 = 67,338.32/x
  3. Step 3: Cross multiply
    123,926.94x = 171,020.22 × 67,338.32
  4. Step 4: Simplify right side
    123,926.94x = 11,516,214,300.83
  5. Step 5: Solve for x
    x = 11,516,214,300.83/123,926.94
  6. Step 6: Final answer
    x = 92,927.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.