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Finding the Fourth Proportional to 181,324.41, 250,222.73 and 100,749.86

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Solution

The fourth proportional to 181,324.41, 250,222.73 and 100,749.86 is: 139,032.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,324.41 : 250,222.73 = 100,749.86 : x
  2. Step 2: Convert to fraction form
    181,324.41/250,222.73 = 100,749.86/x
  3. Step 3: Cross multiply
    181,324.41x = 250,222.73 × 100,749.86
  4. Step 4: Simplify right side
    181,324.41x = 25,209,905,963.81
  5. Step 5: Solve for x
    x = 25,209,905,963.81/181,324.41
  6. Step 6: Final answer
    x = 139,032.06

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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.