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Finding the Fourth Proportional to 123,523.48, 170,463.22 and 66,935.32

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Solution

The fourth proportional to 123,523.48, 170,463.22 and 66,935.32 is: 92,371.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,523.48 : 170,463.22 = 66,935.32 : x
  2. Step 2: Convert to fraction form
    123,523.48/170,463.22 = 66,935.32/x
  3. Step 3: Cross multiply
    123,523.48x = 170,463.22 × 66,935.32
  4. Step 4: Simplify right side
    123,523.48x = 11,410,010,178.93
  5. Step 5: Solve for x
    x = 11,410,010,178.93/123,523.48
  6. Step 6: Final answer
    x = 92,371.18

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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.