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Finding the Fourth Proportional to 161,858.64, 223,366.96 and 93,878.48

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Solution

The fourth proportional to 161,858.64, 223,366.96 and 93,878.48 is: 129,553.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,858.64 : 223,366.96 = 93,878.48 : x
  2. Step 2: Convert to fraction form
    161,858.64/223,366.96 = 93,878.48/x
  3. Step 3: Cross multiply
    161,858.64x = 223,366.96 × 93,878.48
  4. Step 4: Simplify right side
    161,858.64x = 20,969,350,687.02
  5. Step 5: Solve for x
    x = 20,969,350,687.02/161,858.64
  6. Step 6: Final answer
    x = 129,553.48

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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.