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Finding the Fourth Proportional to 183,269.69, 252,911.83 and 111,649.72

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Solution

The fourth proportional to 183,269.69, 252,911.83 and 111,649.72 is: 154,076.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,269.69 : 252,911.83 = 111,649.72 : x
  2. Step 2: Convert to fraction form
    183,269.69/252,911.83 = 111,649.72/x
  3. Step 3: Cross multiply
    183,269.69x = 252,911.83 × 111,649.72
  4. Step 4: Simplify right side
    183,269.69x = 28,237,535,004.19
  5. Step 5: Solve for x
    x = 28,237,535,004.19/183,269.69
  6. Step 6: Final answer
    x = 154,076.41

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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.