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Finding the Fourth Proportional to 181,851.89, 251,059.70 and 121,524.71

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Solution

The fourth proportional to 181,851.89, 251,059.70 and 121,524.71 is: 167,773.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,851.89 : 251,059.70 = 121,524.71 : x
  2. Step 2: Convert to fraction form
    181,851.89/251,059.70 = 121,524.71/x
  3. Step 3: Cross multiply
    181,851.89x = 251,059.70 × 121,524.71
  4. Step 4: Simplify right side
    181,851.89x = 30,509,956,283.70
  5. Step 5: Solve for x
    x = 30,509,956,283.70/181,851.89
  6. Step 6: Final answer
    x = 167,773.66

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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.