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Finding the Fourth Proportional to 123,062, 169,825.63 and 66,473.38

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Solution

The fourth proportional to 123,062, 169,825.63 and 66,473.38 is: 91,733.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,062 : 169,825.63 = 66,473.38 : x
  2. Step 2: Convert to fraction form
    123,062/169,825.63 = 66,473.38/x
  3. Step 3: Cross multiply
    123,062x = 169,825.63 × 66,473.38
  4. Step 4: Simplify right side
    123,062x = 11,288,882,787.60
  5. Step 5: Solve for x
    x = 11,288,882,787.60/123,062
  6. Step 6: Final answer
    x = 91,733.30

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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.