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Finding the Fourth Proportional to 156,660.38, 234,978.94 and 50,040.02

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Solution

The fourth proportional to 156,660.38, 234,978.94 and 50,040.02 is: 75,056.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,660.38 : 234,978.94 = 50,040.02 : x
  2. Step 2: Convert to fraction form
    156,660.38/234,978.94 = 50,040.02/x
  3. Step 3: Cross multiply
    156,660.38x = 234,978.94 × 50,040.02
  4. Step 4: Simplify right side
    156,660.38x = 11,758,350,857.18
  5. Step 5: Solve for x
    x = 11,758,350,857.18/156,660.38
  6. Step 6: Final answer
    x = 75,056.32

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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.