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Finding the Fourth Proportional to 156,644.94, 234,610.74 and 122,699.04

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Solution

The fourth proportional to 156,644.94, 234,610.74 and 122,699.04 is: 183,769.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,644.94 : 234,610.74 = 122,699.04 : x
  2. Step 2: Convert to fraction form
    156,644.94/234,610.74 = 122,699.04/x
  3. Step 3: Cross multiply
    156,644.94x = 234,610.74 × 122,699.04
  4. Step 4: Simplify right side
    156,644.94x = 28,786,512,571.69
  5. Step 5: Solve for x
    x = 28,786,512,571.69/156,644.94
  6. Step 6: Final answer
    x = 183,769.18

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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.