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Finding the Fourth Proportional to 161,572.94, 222,936.86 and 93,565.44

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Solution

The fourth proportional to 161,572.94, 222,936.86 and 93,565.44 is: 129,100.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,572.94 : 222,936.86 = 93,565.44 : x
  2. Step 2: Convert to fraction form
    161,572.94/222,936.86 = 93,565.44/x
  3. Step 3: Cross multiply
    161,572.94x = 222,936.86 × 93,565.44
  4. Step 4: Simplify right side
    161,572.94x = 20,859,185,398.12
  5. Step 5: Solve for x
    x = 20,859,185,398.12/161,572.94
  6. Step 6: Final answer
    x = 129,100.74

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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.