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Finding the Fourth Proportional to 181,912.33, 250,904.53 and 133,497.90

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Solution

The fourth proportional to 181,912.33, 250,904.53 and 133,497.90 is: 184,128.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,912.33 : 250,904.53 = 133,497.90 : x
  2. Step 2: Convert to fraction form
    181,912.33/250,904.53 = 133,497.90/x
  3. Step 3: Cross multiply
    181,912.33x = 250,904.53 × 133,497.90
  4. Step 4: Simplify right side
    181,912.33x = 33,495,227,188.00
  5. Step 5: Solve for x
    x = 33,495,227,188.00/181,912.33
  6. Step 6: Final answer
    x = 184,128.41

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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.