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Finding the Fourth Proportional to 160,906.60, 241,359.90 and 123,581.80

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Solution

The fourth proportional to 160,906.60, 241,359.90 and 123,581.80 is: 185,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,906.60 : 241,359.90 = 123,581.80 : x
  2. Step 2: Convert to fraction form
    160,906.60/241,359.90 = 123,581.80/x
  3. Step 3: Cross multiply
    160,906.60x = 241,359.90 × 123,581.80
  4. Step 4: Simplify right side
    160,906.60x = 29,827,690,889.82
  5. Step 5: Solve for x
    x = 29,827,690,889.82/160,906.60
  6. Step 6: Final answer
    x = 185,372.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.