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Finding the Fourth Proportional to 161,309.44, 241,355.76 and 144,939.04

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Solution

The fourth proportional to 161,309.44, 241,355.76 and 144,939.04 is: 216,861.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,309.44 : 241,355.76 = 144,939.04 : x
  2. Step 2: Convert to fraction form
    161,309.44/241,355.76 = 144,939.04/x
  3. Step 3: Cross multiply
    161,309.44x = 241,355.76 × 144,939.04
  4. Step 4: Simplify right side
    161,309.44x = 34,981,872,152.87
  5. Step 5: Solve for x
    x = 34,981,872,152.87/161,309.44
  6. Step 6: Final answer
    x = 216,861.90

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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.