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Finding the Fourth Proportional to 181,475.88, 250,469.52 and 104,985.96

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Solution

The fourth proportional to 181,475.88, 250,469.52 and 104,985.96 is: 144,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,475.88 : 250,469.52 = 104,985.96 : x
  2. Step 2: Convert to fraction form
    181,475.88/250,469.52 = 104,985.96/x
  3. Step 3: Cross multiply
    181,475.88x = 250,469.52 × 104,985.96
  4. Step 4: Simplify right side
    181,475.88x = 26,295,783,007.94
  5. Step 5: Solve for x
    x = 26,295,783,007.94/181,475.88
  6. Step 6: Final answer
    x = 144,899.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.