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Finding the Fourth Proportional to 161,157.14, 241,652.17 and 85,296.79

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Solution

The fourth proportional to 161,157.14, 241,652.17 and 85,296.79 is: 127,900.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,157.14 : 241,652.17 = 85,296.79 : x
  2. Step 2: Convert to fraction form
    161,157.14/241,652.17 = 85,296.79/x
  3. Step 3: Cross multiply
    161,157.14x = 241,652.17 × 85,296.79
  4. Step 4: Simplify right side
    161,157.14x = 20,612,153,580.16
  5. Step 5: Solve for x
    x = 20,612,153,580.16/161,157.14
  6. Step 6: Final answer
    x = 127,900.97

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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.