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Finding the Fourth Proportional to 161,318.94, 222,637.86 and 92,414.94

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Solution

The fourth proportional to 161,318.94, 222,637.86 and 92,414.94 is: 127,542.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,318.94 : 222,637.86 = 92,414.94 : x
  2. Step 2: Convert to fraction form
    161,318.94/222,637.86 = 92,414.94/x
  3. Step 3: Cross multiply
    161,318.94x = 222,637.86 × 92,414.94
  4. Step 4: Simplify right side
    161,318.94x = 20,575,064,473.63
  5. Step 5: Solve for x
    x = 20,575,064,473.63/161,318.94
  6. Step 6: Final answer
    x = 127,542.77

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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.