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Finding the Fourth Proportional to 181,913.35, 251,040.74 and 101,343.74

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Solution

The fourth proportional to 181,913.35, 251,040.74 and 101,343.74 is: 139,854.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,913.35 : 251,040.74 = 101,343.74 : x
  2. Step 2: Convert to fraction form
    181,913.35/251,040.74 = 101,343.74/x
  3. Step 3: Cross multiply
    181,913.35x = 251,040.74 × 101,343.74
  4. Step 4: Simplify right side
    181,913.35x = 25,441,407,604.85
  5. Step 5: Solve for x
    x = 25,441,407,604.85/181,913.35
  6. Step 6: Final answer
    x = 139,854.54

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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.